White House Press Secretary Sean Spicer took the first question at his briefing Tuesday from a reporter who works for LifeZette, a website founded by Donald Trump supporter Laura Ingraham that published some untrue stories during the 2016 presidential campaign. Last year, LifeZette released a video, “Clinton Body Count,” that promoted a conspiracy theory that Hillary and Bill Clinton had ties to the deaths of several colleagues and Democrats. Another video posted two weeks before the election promoted false claims that voting machines in 16 states could be compromised because they were linked to a company tied to liberal activist...