Donald Trump at his rally on Saturday lashed out at sound engineers handling a video he played at the event, insisting to his campaign: “Don’t pay the bill!” Trump played a video about Vice President Kamala Harris and tax proposals. After the video ended, Trump said the sound was “lousy.” ALSO READ: People have had enough’: Here are the 3 ‘big-picture’ reasons why Kamala Harris will win Want more breaking political news? Click for the latest headlines at Raw Story. “I tell my people immediately, don’t pay the bill for the guy that did that,” he said. “Then they get a story that says, ‘Trump do…