US President Donald Trump’s 50-day pause ahead of possible secondary sanctions on Russia gifts the Kremlin a window to exploit the incremental gains of recent weeks in Ukraine’s east.

Trump's Ukraine plan combines tariffs on Russia-China trade with enhanced air defenses, showing how economic pressure can be leveraged to end wars and secure peace

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:

It remains to be seen just how lasting and severe President Donald Trump’s turn against Vladimir Putin will be. Trump has criticized the Russian president in unprecedented terms in recent days and signaled he’ll send vital weapons to Ukraine.

KYIV, Ukraine — Russian President Vladimir Putin is “not ready for compromises” to end his brutal war, Ukrainian President Volodymyr Zelensky told The Post in an exclusive interview on Wednesday — but President Trump has the power to bring him to his knees by speeding up tough sanctions that could cause a “social explosion” in Russia.

President Trump reveals how Russian leader 'talks nice, then bombs everybody' as the U.S. prepares to send Ukraine Patriot missiles under a NATO agreement.

Donald Trump has been growing increasingly angry with Putin ignoring his strict 50-day peace deal – with a senator warning what might come next for Russia if he doesn't step in line

Ivo Daalder, a senior fellow at Harvard Belfer Center, says that President Donald Trump realizes that he needs to change course because the Russian leader has been playing him "for years."