In any event, because of the death of President Jimmy Carter, the Flag may, for the first time ever during an Inauguration of a future President, be at half mast," he continued. "Nobody wants to see this, and no American can be happy about it.
So, as usual, wrong about basically everything- It will be the second time: it was already flown at half mast during Nixon's 1973 inauguration due to Harry Truman's death in Dec., 1972