Anderson Cooper and Stephen Colbert doing tequila shots gets very messy, very fast

"I'm not very good at drinking."

These are the words of Anderson Cooper as Stephen Colbert whips out a bottle of George Clooney's tequila mid-interview, pouring them both a shot to make up for the fact he won't be joining Cooper for the New Year's Eve special he hosts with Andy Cohen.

Colbert's response? "You're a fast...