Guests: Arianna Huffington, radio host Michael Graham, Aaron McGruder, Jeffrey Ross, Joe Scarborough

Topics: Iraq war, SARS, Peter Arnett, Geraldo Rivera, Affirmative Action

Guests: Actress Jane Fonda, talk show host Joe Scarborough, columnist Maureen Dowd, former Sen. Alan Simpson, environmentalist Robert F. Kennedy, Jr.

Topics: Religion, Pope, airport security, environment, John Bolton

Guests: Walter Maestri, Joe Scarborough, comedian George Carlin, Cynthia Tucker, conservative editorialist James K. Glassman, writer Kurt Vonnegut

Topics: Michael D. Brown, US political system, on race, on the Administration

Guests: fmr Pres. Mary Robinson of Ireland, Joe Scarborough, John Waters, fmr. Sen. Tom Daschle, Dr. Sanjay Gupta

Topics: Rosa Parks' funeral, national security leak

Guests: Author/commentator John Ridley, MSNBC's Joe Scarborough, Rep. Barney Frank; via satellite, journalist Seymour Hersh and actress Mia Farrow

Topics: Middle East dynamics, war criticism from Congress and John McCain, attempt on Dick Cheney, latest on Darfur conflict, James Cameron's Jesus documentary

Guests: MSNBC host Joe Scarborough, actor/director Adam Goldberg, NPR host Farai Chideya, journalist Jeremy Scahill (election correspondent); via satellite, fmr DNC chairman Terry McAuliffe

Topics: Hillary wins primaries in Texas and Ohio, McCain clinches Republican nomination, media coverage of candidates, economic news and impact of Iraq War, strategies for Iraq withdrawal, elections in Russia

Guests: Joe Scarborough, actor Jason Alexander, actress/playwright Anna Deavere Smith, Gov. Brian Schweitzer (D-MT), Markos Moulitsas.

Topics: Sonia Sotomayor confirmation hearings, racism and the Republican Party, clean coal electricity debate, health care reform in the United States, recent sex scandals involving politicians, Israeli-Palestinian conflict, death of Michael Jackson, drug use in the United States, death of Walter Cronkite (news broke shortly before tonight's show began), 40th anniversary of the Apollo Moon Landing

This week, Bill interviews journalist Joe Scarborough, and for the panel discussion is joined by author Frank Bruni and radio host Charlamagne Tha God.

Guests: An interview with David Hogg, co-founder and board member of the student-led organization March for Our Lives and co-founder of Leaders We Deserve. This week's panel discussion includes Joe Scarborough, political commentator, former Florida Congressman, and co-host of "Morning Joe" on MSNBC; and Mark Cuban, co-founder of Cost-Plus Drugs, founder of the Mark Cuban Foundation, and "shark/investor" on the ABC reality series "Shark Tank."