Updated: March 10, 2017 10:53 AM [ET] | Originally published: March 9, 2017 6:42 AM EST; Bistro Bis, a swanky French joint on Capitol Hill, is a Washington institution that has hosted all sorts of political summits over the years. But the group that piled into the restaurant’s Leaders Room on the night of Feb. 1 was among the more unusual. For four hours, current and former Russian officials dined