Bruce Stokes: Republicans and Democrats sharply divided on how tough to be with Russia
Members of the House depart for the weekend after a series of critical votes at the US Capitol June 12, 2015 in Washington, DC.
As the Obama White House and its NATO allies discuss their responses to Russia's activities in Ukraine, Washington faces its own internal divisions, some of which are being reflected in the early stages of the 2016 presidential campaign. Republicans and Democrats in the United States are strongly divided on the situation in Ukraine and what to do about it.