Mueller is not a white hat. He is a compromised man. He tried to infiltrate the Trump team and when it failed he did his work as SC.
POTUS is not goading them into impeachment. They realize they can't beat him in 2020 based on the results of the EU election and real polls here.. People are waking up at warp speed.
Impeachment is their only hope to save their lives. They most likely plan to call in their chips of compromise with Republicans to complete impeachment.
Think back to the 1st SOTU when Repubs chanted USA to our surprise. Up until then, most were never Trumpers.
POTUS set them free from their chains of compromise then. The very next day their train hit a garbage truck as a payback threat for them cheering and supporting him.
We have a few stealth bad actors in the House but 2/3 senate will never happen