How Trump Dismantled His First-Term Policy on Crimea

After more than three years of war, President Trump proposed a peace plan for Russia and Ukraine in late April that would have the United States recognize Moscow’s 2014 takeover of the Crimean peninsula. Michael D. Shear, a former White House correspondent for The New York Times in London, explains how the proposal, which Ukraine has rejected, is a reversal from Mr. Trump’s first term as president.