This just isn't good enough anymore. You know why he had the audacity to do this, and why Sessions does it everytime he's in front of one of these committees? Because the committees won't do anything about it other than admonish them in public and move on. Neither committee has asserted any authority.
This is why I've said on many occasions that I don't take the congressional investigation seriously, especially with the GOP in control.
At this point I'm only interested in what Mueller's team finds. The clowns in Congress