Game show host and comedian Howie Mandel was expected to be released Tuesday from a hospital where he was taken after he experienced an irregular heartbeat. Howie Mandel had an irregular heartbeat, but he did not have a heart attack, his publicist said. “He did not have a heart attack,” his publicist, Lewis Kay, said. Mandel, best-known for hosting the television show “Deal or No Deal,” was in Toronto, Canada, filming segments for a new show “Howie Do It.” The hour-long prank show debuted on NBC Friday. Kay said...