Former Secretary of State Colin Powell and Admiral Mike Mullen, Chairman of the Joint Chiefs of Staff, appeared on CNN’s State of the Union on Sunday and briefly discussed Don’t Ask, Don’t Tell (DADT). Full transcript of each exchange below the video clip. Colin Powell: KING : And Secretary Gates is now saying he’s exploring some flexibility in the current policy, waiting for whether Congress passes a law reversing it — some flexibility that, under some circumstances, perhaps some open