 implicates Joe Biden as the big guy, with Ukrainian corruption at the forefront. And Barack Obama knows about all of it, because it all happened in his White House. It all happened when Joe was his vice president. So Barack Obama knows that Joe Biden went over to Ukraine and shook them down to get the prosecutor who was investigating Burisma fired. Barack Obama knew about all of Joe Biden's corruption, and that's why in 2016 he didn't want him to run.