Politics Wearing Aviator sunglasses, Kal Penn and Vice President Joe Biden exchange fist bump September 5, 2012 | 11:28 am Leave a comment The Democratic National Convention is teasing this interview of actor Kal Penn and Vice President Joe Biden with a short clip of the pair fist bumping wearing Aviator sunglasses. Sign Up for the Politics Digest newsletter! Please enter your email address below to begin receiving the Politics Digest newsletter. You must enter a valid email address in the field above! Thank you for signing up for the Politics Digest newsletter! You should receive your first newsletter very soon. We're sorry, there was an error processing your newsletter signup. Please click here to visit our Newsletter Signup Center to register for this newsletter.