"If not up for re-election she'd have voted for the Senate bill. "
It's pretty obvious to predict the future here.
They will get behind legislation that makes them look tough on the issue, all the while knowing that the agreement on the Hill is nothing gets passed this year.
Then, after the elections they will push an amnesty bill through, certain that all of the sheeple will have forgotten before the next election comes around.
That is certainly going to be their plan.
The politicians say "Green." If the people complain they want "Yellow," the politicians give them "Green" anyway and swear on a stack of Bibles it's really "Yellow."