Senate Finance Committee Chairman Chuck Grassley (R-IA) on Tuesday suggested President Trump “put a sock” in trade adviser Peter Navarro’s mouth after Navarro said the U.S.-China phase-one agreement was “over” on Monday night, sending financial markets temporarily spiraling until President Trump corrected him in a tweet later in the evening. “The president ought to put a bunch of cotton in Navarro’s mouth,” Grassley told reporters. “I mean, he makes those statements and the stock market moves down 400 percent and...