http://www.msnbc.com/rachel-maddow-show/infamous-russia-meeting-trumps-story-keeps-evolving
"We’ve gone from denials of contacts to denials of collusion to a bogus narrative about adoption policy to an argument that colluding with foreign nationals to win an election is just “politics.” When politicians argue, more than once, that we should disregard their previous claims and only focus on their new claims, there’s a problem."
