"The Late Show with David Letterman" let loose intern Todd Seda at the Verizon IndyCar Series' season-opening Firestone Grand Prix of St. Petersburg last weekend with expected hilarious results.
Letterman, co-owner of Rahal Letterman Lanigan Racing, watched the race unfold from pit lane, cheering for the No. 15 National Guard-sponsored car driven by Graham Rahal.
The segment was part of the April 3 show on CBS. Check it out: