White House press secretary Sean Spicer on Monday backpedaled on President Donald Trump’s claims that his phone line was ordered tapped by then-President Barack Obama, an allegation that Mr. Trump recently made on Twitter without providing any evidence.

In an animated question-and-answer session with reporters during his regular briefing, Mr. Spicer suggested Mr. Trump had been speaking broadly when he posted his accusations against Mr. Obama on March 4.

...