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.)

WASHINGTON, D.C. - Former President Jimmy Carter is being honored with a state funeral Thursday in Washington, D.C. All five living current and former presidents were in attendance, but only four first ladies. Former first lady Michelle Obama did not join her husband, former president Barack Obama, at the ceremony.