Transcript for De Blasio Jokes About 'CP Time' With Hillary Clinton

Hillary Clinton is coming under fire for a racially tinged joke. Artillery. I was running on see each time. I don't like jokes like that. Cautious politician. At Clinton taking part in a comedy routine at an annual media event in Manhattan with New York mayor bill to block CEO and a cast member of some of the Broadway hit Hamilton. CP time is often used likely to mean colored people time referring to a habit of being late. Overnight the blood Leo whose wife is African American told CNN it was all just a joke. It was clearly a stage show was a scripted show and the whole idea was to do the counter intuitive and say cautious politician time. Every actor involved including Hillary Clinton and Leslie Odom junior who thought it was a joke on a different convention that was the whole idea is and so I think people are missing the point here. The comments it is drying mixed reaction on social media. So far no comment from the Clinton Campaign.

This transcript has been automatically generated and may not be 100% accurate.