President Trump has made some big shifts in U.S. policy on Russia's war with Ukraine lately. In the course of two weeks, Trump halted and reinstated weapons to Ukraine and he began openly showing frustration with Russian president Vladimir Putin's continued military escalations. Now, Trump has announced a deal with NATO to try to pressure Russia toward a ceasefire deal in just 50 days by threatening stiff tariffs and increased military aid to Ukraine. President Trump seems to be taking a tougher stance against Russia, but will it make a difference, and will it last? For sponsor-free episodes of Consider This, sign up for Consider This+ via Apple Podcasts or at plus.npr.org. Email us at considerthis@npr.org.