I'll bet my net worth you don't get a good answer to this.
We got, at best, and it's a stretch, more reason for POTUS to DECLAS.
If the R's would stand up and yell that no matter what they do, no matter who they call up, no matter what questions they ask, they get nada.
They could point to all of these hearings and say, POTUS, the ONLY way we'll move forward from here is for YOU to declas.