While Executive Vice President Wayne LaPierre is widely known as the face of the NRA, Keene had an active role in publicity and media appearances, especially in the wake of the Newtown elementary school massacre that left 26 people dead.
Porter has been serving as the NRA's first vice president, and before that he served as the group's second vice president. The presidency, an unpaid position, is the next stop in the NRA's leadership rotation.
Jillian Rayfield is an Assistant News Editor for Salon, focusing on politics. Follow her on Twitter at @jillrayfield or email her at email@example.com.