On President Jimmy Carter’s 100th birthday, his Secret Service detail reflects on the assignment of a lifetime CBS NewsJimmy Carter Turns 100 – 1st Ever US President To Reach Century Mark NDTVHow Jimmy Carter’s longevity compares to other presidents The Washington PostThousands of kids made cards for Jimmy Carter’s 100th birthday. See some of the best ones CNNPhotos: As Jimmy Carter celebrates his 100th birthday, a look through the decades NPR