Let's go with they are fucking morons with huge egos.
Senate investigation does not equal criminal investigation.
POTUS posted the 60 minutes vid to show bias. If they try to mute him tonight when he starts in on Joe they just show more bias. He needs to ask Joe questions. After a couple it will be obvious Joe is avoiding answering anything Hunter related. The mute button can work in his favor if he plays it right. He gets his two minutes to say what he wants without interuption.