John Sullivan, a CBS News contributor and former U.S. ambassador to Russia, joins “CBS Mornings” to break down what to know about the summit between President Trump and Russian President Vladimir Putin and what it could mean for Ukraine.
John Sullivan, a CBS News contributor and former U.S. ambassador to Russia, joins “CBS Mornings” to break down what to know about the summit between President Trump and Russian President Vladimir Putin and what it could mean for Ukraine.
