MICHAEL KIMMAGE is Professor of History at the Catholic University of America. He is the author of Collisions: The Origins of the War in Ukraine and the New Global Instability.

Ever since his political rise a decade ago, Donald Trump has sung the praises of Vladimir Putin -- the Russian president was a "strong leader" who, perhaps more important, would often say "very good things" about him.

Putin mistook Trump’s restraint for weakness. Now, with its allies emboldened and patience exhausted, the United States will kibosh Russia's aggression.

President Trump discussed how he came to give up on negotiating with Vladimir Putin, during a meeting with 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.

But his frustration with Putin has grown. Last week, the president said the United States was taking “a lot of bullshit” from Putin. Today, he authorized a significant shipment of U.S. defensive weapons to Ukraine via NATO and threatened Russia with new tariffs if the war does not end in 50 days.

Armenia and Russia dismissed the accusations but now HUR has released a document that they say prove it, saying it was an "order from the commander of the troops of the Southern Military District of the Russian Armed Forces on the replenishment of the Russian military base in Armenia.

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.

Keir Starmer, the British prime minister, and Emmanuel Macron, the president of France, are expected to promise today to have their nuclear arsenals work together if Europe is threatened. Private equity firms have entered the $40 billion youth sports industry. Their investments could raise costs for families.

Nato secretary general Mark Rutte on Wednesday threatened India, China, and Brazil with secondary sanctions over their continued business with Russia.While meeting with senators in the US Congress, Rutte urged the three countries to speak with Russian President Vladimir Putin and persuade him to take the peace deal with Ukraine "seriously.

President Donald Trump’s ultimatum to Russia to accept a peace deal in Ukraine within 50 days or face bruising sanctions has given the Kremlin extra time to pursue its summer offensive