President Donald Trump announced this week that the U.S. will send Patriot air-defense missiles to Ukraine and threatened new tariffs on Russia. Will Vladimir Putin back down? What should Trump's next move be? And what does the future hold for Ukraine? Newsweek contributors Daniel R. DePetris and Dan Perry debate:

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

Expressing his growing concern over Russian President Vladimir Putin's deceptive tactics in the wake of the recent aggressions against Ukraine, US President Donald Trump on Sunday (local time) confirmed that Washington will be sending its Patriot air defence systems to Kyiv,

Danish Prime Minister Mette Frederiksen says Russia could pose a security threat to the European Union by the end of the decade and that defense industries in Europe and Ukraine must be ramped up.

The announcement comes less than two weeks after the US paused arms shipments to Ukraine. Donald Trump has become frustrated with Russian leader Vladimir Putin over the lack of progress in peace talks.

Europe is holding talks with the United States on how to further increase pressure on Russian President Vladimir Putin. This was stated by German Foreign Minister Johann Wadephul during a meeting with Czech Foreign Minister Jan Lipavský,

US President Donald Trump is under "improper pressure" from the European Union and NATO leaders to take a tougher stance on the Ukraine conflict, Russian Foreign Minister Sergey Lavrov said on Tuesday,

China’s foreign minister touted the three-year war as keeping the US focused on Ukraine, claiming that if the war were to end, Washington would start putting its full attention in the

The EU will introduce the "toughest sanctions... imposed (on Russia) in the last three years" in coordination with U.S. senators, French Foreign Minister Jean-Noel Barrot said in a television interview on July 7.

The EU says the U.S. is resisting efforts to strike a trade deal and warned of countermeasures if no agreement is reached with U.S. by Aug. 1.