If Trump didn't collude with Russia to win the Presidency why is he fighting so hard to stop an investigation that would clear him?

So this is what a partisan witch hunt really looks like. [...] Reports suggest that the three-and-a-half-page document — produced by the staff of Representative Devin Nunes (R-White House), who somehow still leads the House Intelligence Committee despite his own record of shilling for President Trump, and who is supposed to be recused from these matters — has nothing to do with truth or accountability. Rather, it appears to be misleading propaganda from people who are terrified by the Russia investigation and determined to derail it by any means necessary. [...]

There’s so much deception and obfuscation going on here that it’s hard to know where to start.