null: Stephen welcomes actor Mandy Patinkin to The Colbert Report to talk about his show "Homeland." Then, for Day 3 of Christmas Carol Week, Michael Stipe joins Mandy and Stephen to perform a song.

Starring Mandy Patinkin, Michael Stipe
null: Stephen welcomes actor Mandy Patinkin to The Colbert Report to talk about his show "Homeland." Then, for Day 3 of Christmas Carol Week, Michael Stipe joins Mandy and Stephen to perform a song.