Senator Bernie Sanders (I-VT), "Comeback" star Lisa Kudrow, Washington Post's Robert Costa, Daily Beast's Kristen Soltis Anderson.

GOP Presidential candidate & Ex-Senator Rick Santorum (R-PA), Representative Dana Rohrabacher (R-CA), Ex-State Senator Wendy Davis (D-TX), Washington Post national reporter Robert Costa and Senior Editor for The Daily Beast Michael Weiss.

Harvard's professor of psychology, Steven Pinker is Bill's interview subject this week. For the panel, he is joined by activist and musician Killer Mike alongside national political reporter for The Washington Post, Robert Costa.

Democratic Governor for Colorado, Jared Polis is Bill's interviewee to open the show. On the panel, he is joined by Robert Costa, Chief Election and Campaign Correspondent for CBS News, and Ro Khanna, Democratic Congressman representing California's 17th district.