(Reuters) - Sarah Palin, the 2008 Republican U.S. vice presidential candidate and former Alaska governor, has tested positive for the coronavirus, as she had been set to begin a defamation trial against the New York Times on Monday. Ms. Palin's positive test was announced by a U.S. district judge in Manhattan, Jed Rakoff, who is presiding over the case. "She is of course unvaccinated," the judge said, referring to Ms. Palin. Ms. Palin was to be retested on Monday to determine whether jury...