Rush Limbaugh to Race Jay Leno in an Electric Car THR

Conservative talk show host Rush Limbaugh has agreed to an electric car race with Leno on next Thursday's "The Jay Leno Show," according to The Hollywood Reporter.

Leno's "Green Car Challenge" will be a regular segment on his show, with a variety of celebrities taking part. NBC built a track next to the studio especially for the segment.

--Allison J. Waldman