THIS WEEK ON THE SUNDAY CHAT SHOWS (UPDATED 05/25 @ 7:23 PM ET)

ABC / This Week with George Stephanopoulos: A debate on immigration reform featuring Commerce Secretary Carlos Guiterrez and U.S. Senator Robert "Bob" Menendez (D - NJ) will highlight this week's programme. Also, former Virginia governor James Gilmore will discuss his longshot Republican campaign for the presidency. And the roundtable will feature political writer Jack Tapper, ABC News consultant and former Democratic strategist Donna Brazile, Los Angeles Times National Political Correspondent Ron Brownstein, and conservative columnist George Will in a discussion of the week's political news.

CBS / Face The Nation with Bob Schieffer: The controversies regarding the U.S. involvement in Iraq and the proposed immigration law will be discussed with U.S. Senators Carl Levin (D - MI) and Jeff Sessions (R - AL), along with CBS News Correspondent Kimberly Dozier.

CNN / Late Edition with Wolf Blitzer: Do U.S. troops have everything they need to win the fight in Iraq? That question will be posed to Congressmen Charlie Rangel (D - NY) and Duncan Hunter (R - CA / Presidential Candidate). Also appearing: U.S. Senator Joseph Biden (D - DE) to discuss his campaign for the White House, U.S. Ambassador to Iraq Zalmay Khalilzad, and Pakistani Prime Minister Shaukat Aziz.

FOX / Fox News Sunday with Chris Wallace: This week the immigration debate will be the topic as U.S. Senators Arlen Specter (R - PA) and Kay Bailey Hutchison (R - TX) will be the guests. Also, the programme's "Choosing the President" series continues with former Arkansas governor and GOP candidate Mike Huckabee.

NBC / Meet the Press with Tim Russert: The programme's "Meet the Candidates" series continues with Governor Bill Richardson (D - NM) for the full hour.

Syndicated / The Chris Matthews Show: Has U.S. Senator Hillary Rodham Clinton become the inevitable Democratic presidential nominee? And as the debate over the assassination of President John F. Kennedy heats up once again, was there a conspiracy beyond Lee Harvey Oswald? Appearing to discuss the issues are the British Broadcasting Corporation's Chief Washington Correspondent Katty Kay, NBC News Chief Foreign Affairs Correspondent Andrea Mitchell, Bob Woodward of the Washington Post, and David Brooks of the New York Times. Not often we see the same panel two weeks in a row (and Ms. Kay's third straight week on the show), but that is who the show's Web site is announcing.

Bay News 9 / Political Connections: This week's guest: Florida Republican Party Chairman Jim Greer will discuss the Legislature's decision to move the state's presidential preference primary up to January 29 and the possible consequences by the national party, as well as the upcoming campaign.