Tuesday briefing: What Trump's 'massive' weapons deal for Ukraine means for the war – and for Putin

Good morning. It looks like the bromance between Donald Trump and his Russian counterpart, Vladimir Putin, is over. Maybe for good. Last night an exasperated Trump said he had finally had enough of "tough guy" Putin's refusal to give him what he wants: an end to the war in Ukraine. The United States, he announced, will start selling what the Nato secretary general Mark Rutte, sitting alongside him at a White House press conference, called "massive numbers" of weapons to Ukraine to help it defend itself against Russia. Trump also delivered an ultimatum to Putin: agree to a ceasefire within…