“You can’t tweet at 3:00 in the morning. Period. There’s no excuse. Ever. Not if you’re gonna be president of the United States. So he’s really gotta decide… If he’s gotta be himself, then he may well not win. If he’s willing to grow into the role of president, than he may win.”
Gingrich scolds Trump: "You can’t tweet at 3:00 in the morning. Period."