“The party has changed and would much rather talk about the border than the budget, and cancellations than Congressional Budget Office scores. Of course, no Republicans will vote for Biden’s proposals and all will strenuously object, but that his plans won’t engender the fierce reaction they would have 10 years ago is yet another way in which the Overton window has shifted on deficit spending.
What happened to the GOP? The short answer is Donald Trump.
Beginning in the 2016 primaries, he demonstrated in vivid fashion that as the GOP coalition had become older and more working class, it didn’t care as much about spending restraint or entitlement reform as the party’s leaders had presumed.”