Mark Levin is one of America's preeminent conservative commentators and constitutional lawyers. He's in great demand as a political and legal commentator, and has appeared on hundreds of television and radio programs. Levin is also a contributing editor for National Review Online, and writes frequently for other publications. Levin has served as a top advisor to several members of President Ronald Reagan's Cabinet - including as Chief of Staff to the Attorney General of the United States. In 2001, the American Conservative Union named Levin the recipient of the prestigious Ronald Reagan Award. He currently practices law in the private sector, heading up the prestigious Landmark Legal Foundation in Washington DC.