"While it has been my intention to seek reelection, I believe it is in the best interest of my party and the country for me to stand down and to focus solely on fulfilling my duties as president for my term," Mr. Biden posted in a statement on social media.
John Kerry ran against GW Bush, who was a First Lieutenant (O2) in the Air National Guard and a fighter pilot. As they had comparable military careers, Kerry's background was a wash.