This week on "Fox News Sunday": (5/9/10)

The failed bomb attack in Times Square, and subsequent arrest of suspect Faisal Shahzad, has led to a reevaluation of our national security system. After two days of questioning, federal officials are now looking into the possibility that the suspect in question may have received assistance from the Pakistani Taliban. This week Fox News Sunday covers every angle of the investigation, the fallout, and the effectiveness of the US national security strategy with a senior White House Counterterrorism adviser and two of Congresss most influential leaders on issues regarding homeland security. Segment 1 Guest: John Brennan, Asst. to the President and Deputy National Security Adviser for Homeland Security and Counterterrorism Segment 2 Guests: Sen. Joe Lieberman, (I) Connecticut / Chairman, Senate Homeland Security Cmte. Rep. Peter King, (R) New York / Ranking Member, House Homeland Security Cmte. Plus our Sunday Panel: Bill Kristol Weekly Standard & Fox News Mara Liasson National Public Radio & Fox News Liz Cheney Former State Department Official Juan Williams National Public Radio & Fox News And our Power Player of the Week discusses the importance of being open with her children, when it came to her battle with breast cancer. Power Player: Jennifer Griffin, FNC Correspondent / Breast Cancer Survivor