Tonight's guests include:
Michael Isikoff, NBC News national investigative correspondent, live from Boston
Philip Mudd, former deputy director of the FBI’s National Security Branch, currently a senior research fellow at the New American Foundation and author of “Takedown: Inside the Hunt for al-Qaeda”
Col. Lawrence Wilkerson, (ret.), former chief of staff to Secretary of State Colin Powell
Steve Kornacki, host of “Up” weekends on msnbc and senior political writer for Salon
And here's executive producer Bill Wolff with a look at tonight's show: