Here's Why

The New START treaty served as a barrier against a renewed nuclear arms race between the US and Russia, who together possess almost 90% of the world’s atomic warheads. The accord was the only remaining arms control agreement between the two countries and expired on February 5. US President Donald Trump says he wants to negotiate a new treaty, but in the meantime, controls on these deadly weapons remain in limbo. Our global defense editor Gerry Doyle joins Stephen Carroll to discuss.
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The US currency has come under pressure on multiple fronts, recently falling to its weakest level in four years. Unpredictable Washington policy making, fears over Federal Reserve independence, as well as fiscal concerns have driven investors away from the dollar. Our Markets Live Executive Editor Mark Cudmore joins Stephen Carroll to discuss.
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Europe's far-right parties are reassessing their ties with US President Donald Trump following his threats to annex Greenland and use of military force against Venezuela. From the UK to Italy, politicians who have previously talked up their relationship with Trump are moderating their language. Our Managing Editor for European economy and government Ben Sills joins host Stephen Carroll to discuss.
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Data centers are a key part of the global artificial intelligence boom, but their rapid expansion requires land and energy. Rocket companies, from Elon Musk's SpaceX to Jeff Bezos's Blue Origin, have been looking at some new locations for these centers: putting them in space. Our space editor Bruce Einhorn joins Stephen Carroll to discuss.
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President Trump says the United States 'needs' Greenland. After American forces captured Venezuela's President, European leaders are now more worried about Trump's ambitions for the Arctic island, which is part of the Kingdom of Denmark. Danish Prime Minister Mette Frederiksen has said US action would threaten the NATO alliance. Our Copenhagen reporter Sanne Wass joins Stephen Carroll to discuss the state of play.
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