Ahead on the 10/15 Maddow show

Tonight's guests:

• Robert Costa, Washington editor for the National Review
• Congresswoman Barbara Lee, (D-CA), House Budget Committee
• Norm Ornstein, Resident Scholar at the American Enterprise Institute and author of, "It's Even Worse Than It Looks: How the American Constitutional System Collided With the New Politics of Extremism."

Here's executive producer Bill Wolff with a look ahead at what's in store: