Team B Act - Amends the National Security Act of 1947 to establish the Counterterrorism Competitive Analysis Council to: (1) advise the Director of National Intelligence (DNI) on all policy matters relating to threats of international terrorism and domestic radicalization based on all-source information; (2) prepare a competitive analysis of each national intelligence estimate concerning al Qaeda and other foreign terrorist organizations, and submit each analysis to the DNI and the National Intelligence Council; and (3) report annually to Congress on trends in counterterrorism and domestic radicalization.