Colbert and Korean pop singer Rain have a dance off. USA! USA! USA! [youtube=http://youtube.com/watch?v=19yAP5FBGkc]
Back story of the simmering feud between Colbert and Rain is explained in the clip below. Will someone please step in and establish a DMZ zone between these two before children and innocent back-up dancers get hurt???
[youtube=http://youtube.com/watch?v=beWdU6PE3Xo]