(AP) -- Stephen Colbert is replacing David Letterman as CBS' late-night host.
CBS announced Thursday that "The Colbert Report" host will replace Letterman when he retires next year. Colbert is signed for five years.
Letterman has hosted "Late Show with David Letterman" since 1993. He turns 67 Saturday.
"I never dreamed that I would follow in his footsteps, though everyone in late...