Trump baited the dems with this one. The senate will never vote yes to toss him out and now Biden has to be investigated since this latest thing is on public record now.
People also don’t realize that in an impeachment trial, trumps lawyers can subpoena anyone - mueller, Biden, Biden’s son, Lynch, Obama, comey, Clinton etc... blasting all of their misdeeds onto public record.
He may actually able to drain some swamp if they do impeach him.