The president-elect said he "didn't realize" one thing about the exchange at Jimmy Carter's funeral until he saw footage of it.

The former president and once-again-future president, who are historically something less than besties, chatted it up before the service began. (Michelle Obama was not in attendance.)

Donald Trump shook hands with Mike Pence at Jimmy Carter's state funeral -- a notable exchange as the two men have not interacted publicly in years.