“Liberation day” was due to be on 1 April. But Donald Trump decided to shift it by a day because he didn’t want anyone to think it was an April fool.

It is no joke for him and it is no joke for governments globally as they brace for his tariff announcements.

It is stunning how little we know about the plans to be announced in the Rose Garden of the White House later today.

It was telling that we didn’t see the President at all on Tuesday. He and all his advisers were huddled in the West Wing, away from the cameras, finalising the tariff plans.

Follow the events of Liberation Day live as they unfold

Three key figures are central to it all.

Treasury Secretary Scott Bessent is the so-called ‘measured voice’. A former hedge fund manager, he has argued for targeted not blanket tariffs.

Peter Navarro is Trump’s senior counsellor for trade and manufacturing. A long-time aide and confidante of the president, he is a true loyalist and a firm believer in the merits of tariffs.

His economic views are well beyond mainstream economic thought – precisely why he appeals to Trump.

‘Stop that crap’: Trump adviser Peter Navarro reacts to Sky News correspondent’s question over tariffs

The third key character is Howard Lutnick, the commerce secretary and the biggest proponent of the full-throttle liberation day tariff juggernaut.

The businessman, philanthropist, Trump fundraiser and billionaire (net worth ranging between $1bn and $2bn) has been among the closest to Trump over the past 73 days of this presidency – frequently in and out of the West Wing.

If anything goes wrong, observers here in Washington suspect Trump will make Lutnick the fall guy.

What are Donald Trump’s tariffs, what is ‘liberation day’ and how does it all affect the UK?

And what if it does all go wrong? What if Trump is actually the April fool?

“It’s going to work…” his press secretary said when asked if it could all be a disaster, driving up the cost of living for Americans and creating global economic chaos.

“The president has a brilliant team who have been studying these issues for decades and we are focussed on restoring the global age of America…” Karoline Leavitt said.

Dancing to the president’s tune

My sense is that we should see “liberation day” not as the moment it’s all over in terms of negotiations for countries globally as they try to carve out deals with the White House. Rather it should be seen as the start.

Trump, as always, wants to be seen as the one calling the shots, taking control, seizing the limelight. He wants the world to dance to his tune. Today is his moment.

But beyond today, alongside the inevitable tit-for-tat retaliation, expect to see efforts by nations to seek carve-outs and to throw bones to Trump; to identify areas where trade policies can be tweaked to placate the president.

Even small offerings which change little in a material sense could give Trump the chance to spin and present himself as the winning deal maker he craves to be.

One significant challenge for foreign governments and their diplomats in Washington has been engaging the president himself with proposals he might like.

Negotiations take place with a White House team who are themselves unsure where the president will ultimately land. It’s resulted in unsatisfactory speculative negotiations.

Too much faith placed in the ‘special relationship’?

The UK believes it’s in a better position than most other countries globally. It sits outside the EU giving it autonomy in its trade policy, its deficit with the US is small, and Trump loves Britain.

It’s true too that the UK government has managed to accelerate trade conversations with the White House on a tariff-free trade partnership. Trump’s threats have forced conversations that would normally sit in the long grass for months.

Yet, for now, the conversations have yielded nothing firm. That’s a worry for sure. Did Keir Starmer have too much faith in the ‘special relationship’?

Downing Street will have identified areas where they can tweak trade policy to placate Trump. Cars maybe? Currently US cars into the UK carry a 10% tariff. Digital services perhaps?

US food? Unlikely – there are non-tariff barriers on US food because the consensus seems to be that chlorinated chicken and the like isn’t something UK consumers want.

Easier access to UK financial services maybe? More visas for Americans?

For now though, everyone is waiting to see what Trump does before they either retaliate or relent and lower their own market barriers.

A senior Democrat has taken to the Senate floor to speak against US President Donald Trump – with the 17-plus-hour speech still ongoing.

Cory Booker, a New Jersey senator, began speaking around 7pm (midnight in the UK) and said he intended to disrupt the “normal business of the United States Senate for as long as I am physically able”.

Referring to Mr Trump’s presidency, he said: “I rise tonight because I believe sincerely that our country is in crisis.”

As of 5pm in the UK, Mr Booker was still speaking, having spoken for more than 17 hours. He has remained standing for the entire duration, as he would lose control of the floor if he left his desk or sat down.

Read more: Who is the Democrat making a marathon speech against Trump?

Other Democrat senators have joined Mr Booker to ask questions so he can rest his voice, including Senate minority leader Chuck Schumer.

At the start of his speech, Mr Booker said: “These are not normal times in our nation. And they should not be treated as such in the United States Senate.

“The threats to the American people and American democracy are grave and urgent, and we all must do more to stand against them.”

Overnight, he referenced Strom Thurmond of South Carolina, who filibustered for 24 hours and 18 minutes against the Civil Rights Act of 1957.

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“You think we got civil rights one day because Strom Thurmond – after filibustering for 24 hours – you think we got civil rights because he came to the floor one day and said ‘I’ve seen the light’,” he said.

“No, we got civil rights because people marched for it, sweat for it and [civil rights leader] John Lewis bled for it.”

Only Mr Thurmond and Republican Senator Ted Cruz – who spoke for 21 hours and 19 minutes against the Affordable Care Act in 2013 – have held the Senate floor for longer than Mr Booker.

A Democratic senator is delivering a marathon speech in the US Senate in protest against Donald Trump.

Cory Booker, 55, took to the floor at 7pm local time on Monday (midnight in the UK), saying he would remain there as long as he was “physically able”.

As of 5pm in the UK, Mr Booker was still going – more than 17 hours after he started.

The senator for New Jersey said his goal is to “uplift the stories of Americans who are being harmed by the Trump administration’s reckless actions, attempts to undermine our institutions, and disregard for the rule of law”.

Trump latest: Follow live updates

During his speech, Mr Booker has only taken brief breaks from speaking, giving the floor instead to questions from his Democratic colleagues, according to Sky News’ US partner network, NBC News.

According to the rules of the Senate, as long as he stays at the podium Mr Booker will hold the floor – meaning he cannot leave at any point, even to go to the toilet or to eat.

So who exactly is the Democratic senator, and what is his multi-hour speech all about?

Rising star of Democratic Party

Mr Booker was born in Washington DC and moved to northern New Jersey when he was a boy.

He is a graduate of Stanford University and Yale Law and started his career as a lawyer for charities.

Entering politics, he was considered a rising star in the Democratic Party. He was elected to serve on the city council of New Jersey’s biggest state, Newark, and then as mayor, a position he held until 2013.

He was first elected to the US Senate in 2013 during a special election held after the death of politician and businessman Frank Lautenberg.

He went on to win his first full term in 2014 and was re-elected in 2020.

2020 presidential bid

In February 2019 Mr Booker launched his bid for the US presidency from the steps of his home in Newark.

At the time, he played on his personal ties to the “low-income, inner city community” and urged for the US to return to a “common sense of purpose”.

He later dropped out of the race after struggling to raise the money required to make a bid for the White House.

Why is he speaking in the Senate?

By holding the floor in the Senate, Mr Booker is protesting against the Trump administration.

Before he began, the senator said he had the intention of “getting in some good trouble”, NBC News reported.

He read letters from constituents about how Mr Trump’s cuts were already taking a toll on their lives.

He claimed the US was giving up being a global leader, citing Mr Trump’s proposals to take over Greenland and Canada while feuding with longtime allies.

He also occasionally took aim at Elon Musk, the richest person in the world, who is advising Mr Trump and leading the Department of Government Efficiency (DOGE).

“In just 71 days, the president of the United States has inflicted so much harm on Americans’ safety; financial stability; the core foundations of our democracy,” Mr Booker said on the floor.

“These are not normal times in America. And they should not be treated as such in the United States Senate.”

Appearing to waver slightly on Tuesday morning, Mr Booker was accompanied by Senator Chris Murphy. In 2016, Mr Booker joined the Connecticut Democrat when he held the floor for almost 15 hours to argue for gun control legislation.

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Why he is not a filibuster

Some reports have referred to Mr Booker’s speech as a filibuster, but technically it is not.

A filibuster is a speech meant to halt the advance of a specific piece of legislation.

Mr Booker’s performance is instead a broader critique of Mr Trump’s agenda, meant to hold up any business scheduled to take place in the Senate and draw attention to what Democrats are doing to contest the president.

Democrats have been forced to use these types of opposition methods as they do not hold a majority in either congressional chamber.