The President and Arnold Schwarzenegger are taking digs at each other.

FOX's Chris Foster reports:

Introduced by the TV producer Mark Burnett. President Trump at the National Prayer Breakfast, talking about having to leave "Celebrity Apprentice" to run for President:

(President Trump) "The ratings went right down the tubes."

Arnold Schwarzenegger hosts "Celebrity Apprentice" now:

(President Trump) "And I want to just pray for Arnold if we can for those ratings."

Arnold Schwarzenegger responds on Twitter with a video captioned "The National Prayer Breakfast?":

(Schwarzenegger) "Hey Donald. I have a great idea. Why don't we switch jobs? You take over TV because you're such an expert in ratings. And I take over your job. And then people can finally sleep comfortably again."

Delaware Senator Tom Carper was at the breakfast and said later, he was hoping God would intervene when when the President started talking about Arnold Schwarzenegger.

Chris Foster, FOX News.