President Trump has been pushing to broker an end to the war in Ukraine since he took office. But it hasn't been quick or easy.

Dr. Ronald Suny, distinguished University of Michigan historian and a preeminent expert on Soviet and post-Soviet history, spoke with Hilary Golston for The Interview about the hidden dynamics shaping the Alaska summit and what could happen next.

A diplomatic scramble unfolded Saturday after President Donald Trump announced he would meet his Russian counterpart, Vladimir Putin, next week in Alaska, as European leaders rushed to understand the terms of the meeting and ensure Ukraine was not being left out of discussions about its future.