CNN's Costello Can't Believe That GOP Plans to Filibuster Gun Control Bill

CNN's Carol Costello praised Sen. Rand Paul for his "champ" effort to filibuster the nomination of John Brennan as CIA head, in order to gain information from the White House about drone use.

However, once 14 Republican senators planned to filibuster a gun control bill if it came to the Senate floor, Costello appeared in disbelief.