内容摘要：It is, after all, the biggest revolution in energy since the start of the industrial revolution. And regardless of which superpower takes the lead, or if the US is out of the game for four years, it’s unlikely that anyone will want to miss out on such a vast market.

It is, after all, the biggest revolution in energy since the start of the industrial revolution. And regardless of which superpower takes the lead, or if the US is out of the game for four years, it’s unlikely that anyone will want to miss out on such a vast market.

Kremlin spokesman Dmitry Peskov, when asked to respond to Trump saying he expected an answer from Russia on a ceasefire, said "the negotiations taking place are quite difficult"."The Russian side is striving to reach a peace settlement in this conflict, to ensure its own interests, and is open to dialogue," he said.

During a meeting with Italian Prime Minister Giorgia Meloni in Rome on Friday, US Vice-President JD Vance said he was still "optimistic" about ending the Ukraine war."I want to update the prime minister on some of the negotiations between Russia, Ukraine, and also some of the things that have happened even in the past 24 hours," he said."I won't prejudge them, but we do feel optimistic that we can hopefully bring this war - this very brutal war - to a close."

Vance's comments followed separate news that Ukraine and the US took the first step towards striking a minerals deal, after an initial agreement was derailed when a February meeting between Trump and President Zelensky erupted into a public shouting match.On Thursday, the two countries signed a memorandum of intent on setting up an investment fund for Ukraine's reconstruction as part of an economic partnership agreement.

The aim is to finalise the deal by 26 April, the memo published by the Ukrainian government says.

The details of any deal remain unclear. Previous leaks have suggested the agreement has been extended beyond minerals to control of Ukraine's energy infrastructure, as well as its oil and gas., where we will bring you updates, analysis and key moments as they happen.

Listeners will be able to hear a radio special on the BBC World Service and, in the UK, on BBC Radio 4. Special episodes of Americast and The Coming Storm will be among the podcast offer.Country singer and former American Idol winner Carrie Underwood is due to perform America the Beautiful during the ceremony.

"I love our country and am honoured to have been asked to sing at the inauguration and to be a small part of this historic event," Underwood said in a statement.Country singer Lee Greenwood - Trump's long-time friend and collaborator - will also perform at the inauguration ceremony, as will opera singer Christopher Macchio.