On the face of it, the US involvement in Ukraine bears little similarity to the 20-year Afghanistan war, not least because there are no American boots on the ground in Europe.

Lindsey Graham warned Putin that Trump is ready to strike back hard, calling him the "Scottie Scheffler of American politics."

Trump set his 50-day deadline on July 14, warning Russia that it faces punitive secondary tariffs against those still trading with it if there is no peace. It marked a hardening of his stance on Russia as he grows increasingly and openly frustrated with Putin for intensifying a war he is trying to end.

President Trump has turned a corner on the Russia-Ukraine war this week, announcing a deal to send weapons to Ukraine via NATO and giving Vladimir Putin an ultimatum to make peace. Charles Kupchan, senior fellow at the Council on Foreign Relations,

President Donald Trump has softened his stance on NATO. He once called the Western alliance "obsolete." Now, he says, it's the "opposite of that."

President Donald Trump never stays still for very long. He makes decisions, only to delay their implementation. He listens to pretty much everybody before he settles on a course of action, only to change his mind at the last minute.

President Trump is hosting NATO Secretary General Mark Rutte at the White House on Monday as the U.S. agrees to sell new and more weapons to Europe and Ukraine.

NATO Secretary General Mark Rutte discusses President Donald Trump's decision to sell weapons to NATO for Ukraine in an interview on 'Special Report.'

President Trump and NATO Secretary-General Mark Rutte have given Russian President Vladimir Putin something to help focus his mind. The July 14 announcement of a new NATO-backed weapons corridor into Ukraine,