A Wall Street Journal editorial:
If President Trump announces that North Korea launched a missile that landed within 100 miles of Hawaii, would most Americans believe him? Would the rest of the world? We’re not sure, which speaks to the damage that Mr. Trump is doing to his Presidency with his seemingly endless stream of exaggerations, evidence-free accusations, implausible denials and other falsehoods.
The latest example is Mr. Trump’s refusal to back off his Saturday morning tweet of three weeks ago that he had “found out that [Barack] Obama had my ‘wires tapped’ in Trump Tower just before the victory” on Election Day. He has offered no evidence for his claim, and a parade of intelligence officials, senior Republicans and Democrats have since said they have seen no such evidence.
Yet the President clings to his assertion like a drunk to an empty gin bottle, rolling out his press spokesman to make more dubious claims…
Two months into his Presidency, Gallup has Mr. Trump’s approval rating at 39%. No doubt Mr. Trump considers that fake news, but if he doesn’t show more respect for the truth most Americans may conclude he’s a fake President.

