U.S. president Donald Trump broke an unusual 40-hour Twitter silence on Sunday morning with two innocuous tweets. The first, which simply said, “Good Morning, Have A Great Day!” was followed by a second one a few minutes later with his familiar battle cry: “MAKE AMERICA GREAT AGAIN” in all capital letters. Trump, who generally tweet storms every morning, has been absent from the social networking platform since Friday, when Robert Mueller handed his Russia investigation to the Attorney General William Barr. Instead, the president has been golfing and spending time at his Mar-a-Lago golf resort in Florida.