Fox News personality Sean Hannity, an ally and informal adviser to President Trump, visiting the White House briefing room. What a difference a few days, and a few thousand coronavirus cases in the U.S., make. On Fox News in recent weeks, downplaying the outbreak was all the rage. Pete Hegseth said “the more I learn about this, the less there is to worry about.” Jeanine Pirro said the mainstream-media “doesn’t reflect reality.” Ashley Earhardt claimed “it’s actually the safest time to fly.” Sean Hannity and Laura Ingraham talked about the press as “panic pushers” stirring up “mass hysteria.” And perhaps the most glaring of all came from Trish Regan over on Fox Business, who accused the “liberal media” of using the coronavirus “to impeach the president . Her monologue may have cost her the job, though she chalked it up to Fox’s “ prioritizing its coverage during market hours .” The tone has clearly shifted among the notabl...