One of the stone verities of national life over the last three years, right up there with regular California wildfires and a dysfunctional Congress, has been the stability of Donald J. Trump’s job-approval assessments by the public. Yes, they sometimes went up well into the low 40s, and sometimes went down into the mid-to-high 30s, depending mostly on the presence or absence of conspicuously bizarre and destructive Trump behavior. But as Geoffrey Skelley noted in March last year, Trump has stood out from past presidents in this respect:

Trump’s approval rating has the least variation of any post–World War II president. Granted, Trump hasn’t yet served a full term, but changes in his approval rating have been remarkably small.

That may be changing, and at the perfect time for Trump. His average job-approval rating according to RealClearPolitics had but rarely drifted just above 45 percent since Inauguration Day. Today, it stands at 46 percent. And you can’t blame that on some unusual mix of pro-Trump surveys like Rasmussen or The Hill–HarrisX. The venerable Gallup Poll has for two straight months placed the president’s job-approval number at 49 percent, far above his average Gallup rating of 40 percent over the course of his presidency.

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