Guests: Columnist Arianna Huffington, comic Paula Poundstone, pollster Frank Luntz; via satellite, NBC News correspondent Richard Engel and columnist Christopher Hitchens

Topics: Iraq troop surge, language of politics, how Democrats can win, Kansas tornadoes

Guests: Rep. Barney Frank (D-MA), journalist Fareed Zakaria, NBC News foreign correspondent Richard Engel, former FDA chief David Kessler

Topics: 2009 swine flu outbreak, state of the Republican Party, terrorism, Souter's resignation, Arlen Specter's party switch, Israel

Guests: Chief Foreign Correspondent for NBC News Richard Engel, columnist David Carr, columnist Michael Smerconish, Republican strategist Susan del Percio, filmmaker Alexandra Pelosi

Topics: Obama's non-Democratic policies, Republican candidate Jon Huntsman, Jr., Mormonism, Barack Obama impersonator Reggie Brown, Wal-Mart, the state of the news media, role of family in conservative politics & overbreeding

Musician and activist Michael "Killer Mike" Render, "And then all Hell Broke Loose" author Richard Engel, actress and comedian Margaret Cho, GOP strategist Ana Navarro, and Bloomberg Business national correspondent Josh Green.

Guests: Former Governor of Virginia Terry McAuliffe, NBC News Chief Foreign Correspondent Richard Engel, author Tom Nichols, columnist Catherine Rampell, former White House Communications Director Anthony Scaramucci.