Guests: From Washington, D.C.: Sens. John Kerry and Lincoln Chafee; Rep. Ileana Ros-Lehtinen, counter-terrorism expert Richard Clarke, comedian/actor Robin Williams, journalist Chris Matthews

Topics: Mark Foley scandal, 2004 and 2006 elections, Iraq War, international relations

Guests: Rep. Keith Maurice Ellison (D-MN), director Bill T. Jones, Democratic strategist Paul Begala, co-founder of the St. Louis Tea Party Dana Loesch, former congressman Thomas M. Davis (R-VA)

Topics: Peter King's radicalization hearings, Islamophobia, labor dispute in Wisconsin, sexual abuse scandal in the Catholic archdiocese of Philadelphia, NPR, 2012 GOP presidential candidates, no-fly zone in Libya

Education reformer Michelle Rhee, chef Tom Colicchio, economist Jared Bernstein, former Rep. Tom Davis (R-VA), and TV host Rachel Maddow.

Interviewees: Paul Watson (Captain)

Panelists: Alex Wagner (MSNBC host), Tom Davis (R-VA), and Carrie Sheffield (Forbes columnist)

Panel Guest: Nas (Hip Hop icon)

Topics: Marine pollution, Obamacare reaching its target number of enrollees, Flip a District candidates: Kerry Bentivolio & Scott Garrett, gerrymandering, McCutcheon v. Federal Election Commission & unlimited campaign contributions, 2014 Fort Hood shooting & PTSD, United States Senate Select Committee on Intelligence's report on torture.

This weeks guests include director of "Merchants of Doubt" Robert Kenner, former Republican member of the United States House of Representatives Tom Davis, Editor-in-Chief for the Economist magazine Zanny Minton Beddoes, co-founder of the black political blog Jack and Jill Politics and CEO of Cultivated Wit Baratunde Thurston, and actor and author of "Holy Cow" David Duchovny.