Don’t forget that Joe Biden lied about not talking to his son about his business dealings. There is a photo of the Bidens and another Burisma board member as part of a golfing foursome. Sure, they never talked business.
Schiff has denied Republican requests to call Hunter Biden as a witness. The Democrats can’t risk validation of Trump’s request to investigate Joe Biden on the basis of his obvious corruption. The Democrats case depends on Trump’s motivation for requesting an investigation being the prospect of enhancing his reelection bid. A plausible case for a corruption investigation and it falls apart.