President Donald Trump accused San Juan Mayor Carmen Yulín Cruz of playing politics in a tweet Saturday after she delivered an emotional speech accusing the administration of “killing” Puerto Rico’s people. “If anybody out there is listening to us, we are dying,” she said during an interview with CNN on Friday. “And you are killing us with the inefficiency.” Trump appeared angry by the mayor’s dramatic accusations, especially after they were used by his critics and some members of the media to accuse him of failing Puerto Rico with recovery efforts in the wake of Hurricane Maria. “The Mayor of...