Jennifer Rubin: When will Mitt Romney speak out about Trump?

When most of us last heard from former Republican presidential nominee Mitt Romney on the subject of President Donald Trump, it was to accept Trump’s endorsement for his U.S. Senate bid, something Romney previously said he would not do.Romney tweeted on Feb. 19, “Thank you Mr. President for the support. I hope that over the course of the campaign I also earn the support and endorsement of the people of Utah.”For many, this was another infuriating Romney flip-flop. Others saw it