The reason they are hiding is that they know it is their last chance to pass something and not be trounced next year at the ballot.
It is a cold calculation, but we are way past that.
The clown will not pass a single piece of legislation that matters. All he has is his pen and executive actions that do nothing, and will all be reversed either by the courts, or another president.
Even his infrastructure chart, the other day, was a result of executive orders, no legislation, no laws. Good luck with that. Smoke and mirrors for the natives.