Social restrictions aimed at stopping the spread of the coronavirus could have saved lives if they’d been started earlier, and when they’re eased new cases are certain to arise, said the nation’s top infectious disease expert, Dr. Anthony Fauci, seeming to draw the ire of President Donald Trump. Trump, who has been chafing at criticism that he didn’t do enough early on to fight the virus, reposted a tweet that referenced Fauci’s comments and that said “Time to #FireFauci.” Trump again pointed to his decision in late January to restrict travel from China, writing, “Sorry Fake News, it’s all on...