Mike Johnson’s status as an accidental speaker, thrust into his role in part because it was so undesirable or impossible for other longer-tenured members to achieve, was always going to be tested once there was a Republican in the White House again. And since that Republican turns out to be Donald Trump, currently the acting president in everything but title, Johnson’s decision-making was going to become all the more controversial, subject to the whims and leanings of Trump’s political instincts.