Tavis Smiley and Bill Maher want to know when Pat Buchanan will be held accountable

Tavis Smiley and Bill Maher want to know when Pat Buchanan will be held accountable.

Tavis also says he could argue that the U.S. Government was involved in the assassination of Martin Luther King.

The following video is from HBO's Real Time with Bill Maher, broadcast on March 28, 2008