I never thought that there would be any real, concrete, and open collusion between DJT and Russia. He would have to be monumentally stupid in order for that to happen. And I think Cohen verified that (at least from his [Cohen] standpoint). I think that Cohen did give testimony that there was open collusion between Trump's kids and Russia. But the biggest thing that Cohen did give is campaign finance violations of Trump. And those are real crimes. Are they enough to take down a president, aka Al Capone style - I don't know.
This all confirms to me that we are again living in exciting times. We are seeing the start of the end of the US as a superpower. I had always wondered what it was like to be alive during the fall of the roman empire or greek etc. If we as a country continue down this path of partisan politics at the demise of the country, we will implode into nothingness.