Obama, Clinton, Edwards Cameo on “Colbert”

Clinton appears on the show as Ms. Fix It, helping Colbert fix a lost signal on giant TV projection screen. "I just love solving problems. Call me any time...Call me at 3 a.m." Watch the video here.

Obama shows up via satellite on the screen shortly after to have Colbert add "manufactured distractions" to his notice board. Read pool report.

Edwards -- who mocked efforts of both candidates trying to secure his support on the show -- was also seen sharing a private chat with Clinton backstage.

Obama to appear as a guest on Jon Stewart's "The Daily Show" Monday.