Washington could impose tougher sanctions on Moscow and send U.S. troops to Ukraine if Russian President Vladimir Putin fails to negotiate a Ukraine peace deal in good faith, U.S. Vice President J.D. Vance told the Wall Street Journal in an interview published Friday. “There are economic tools of leverage, there are of course military tools of leverage,” Vance was quoted as saying. “I think there is a deal that is going to come out of this that’s going to shock a lot of people.”