Biden, 80, once attacked 63-year-old rival for being too old
Biden, now 80, had said that then-Sen. Cale Boggs had "lost that old twinkle in his eye" and was out of touch at 63.
Biden, now 80, had said that then-Sen. Cale Boggs had "lost that old twinkle in his eye" and was out of touch at 63.