THIS WEEK ON THE SUNDAY CHAT SHOWS

ABC / This Week with George Stephanopoulos: Former House Speaker and potential Republican presidential candidate Newt Gingrich will discuss the tragedy at Virginia Tech and the rest of the week's news. Also, it's "On the Trail" feature will be with Democratic presidential candidate and U.S. Senator Christopher J. Dodd (D - CT). And the roundtable will feature Sam Donaldson and Cokie Roberts of ABC News, and conservative columnist George Will in a discussion of the week's political news.

CBS / Face The Nation with Bob Schieffer: The guests and topics for this week have not been announced as of Friday evening. Please check back later for possible updates.

CNN / Late Edition with Wolf Blitzer: The Virginia Tech tragedy and lessons learned will be discussed with Commonwealth Attorney General Bob McDonnell. Then Iraq, the Gonzales testimony, and more will be bantered with U.S. Senators Sam Brownback (R - KS and also a GOP presidential candidate) and Ron Wyden (D - OR), author and New York Times columnist Thomas Friedman, author and former Clinton special counsel Lanny Davis, former Reagan/Bush legal counsel David Rivkin, and from CNN, Homeland Security Correspondent Jeanne Meserve, and American Morning co-anchors Kiran Chetry and John Roberts.

FOX / Fox News Sunday with Chris Wallace: The guests and topics for this week have not been announced as of Friday evening. Please check back later for possible updates.

NBC / Meet the Press with Tim Russert: Federal Secretary of Health and Human Services Michael Leavitt and Secretary of Education Margaret Spellings, who will conduct a nationwide review and issue recommendations on school safety in the wake of the Virginia Tech tragedy will discuss what happened and safety issues along with two members of Virginia governor Tim Kaine's review panel, retired State Police Superintendent Col. Gerald Massengill and former U.S. Homeland Security Secretary Tom Ridge. Then comes the political roundtable to look at the past week: NBC News Justice Correspondent Pete Williams and White House Correspondent David Gregory, Newsweek editor Jon Meacham, and presidential historian Doris Kearns Goodwin.

Syndicated / The Chris Matthews Show: What was behind the massacre at Virginia Tech? And will the Supreme Court's decision this week on what some call "partial birth" abortions be a boon to Hillary Rodham Clinton's presidential bid? Those questions and more will be discussed with Katty Kay of BBC News, Newsweek Chief Political Correspondent Howard Fineman, NBC News White House Correspondent Kelly O'Donnell, and David Brooks of the New York Times.

Bay News 9 / Political Connections: The scheduled guest this week is Congresswoman Kathy Castor (D - Tampa).