Steven Pifer, former U.S. ambassador to Ukraine under President Bill Clinton, joins NewsNation's "CUOMO" to discuss the high-stakes meeting between U.S. Secretary of State Marco Rubio and Russian ...

Former U.S. Ambassador to Ukraine Steven Pifer and New York Times reporter Peter Baker give their reactions to the scene and discuss the implications for further peace talks and American foreign ...

ABC News’ Stephanie Ramos spoke with Steven Pifer, a former US ambassador to Ukraine, on Pres. Trump and Vladimir Putin’s two-hour conversation that ended in Putin rejecting a 30-day ceasefire ...

Claire McCaskill, former Democratic Senator from Missouri, Peter Baker, New York Times Chief White House Correspondent and Steven Pifer, former U.S. Ambassador to Ukraine joins Nicolle Wallace on ...