The chairmen and ranking members of the House and Senate select intelligence committees this week reiterated that their "joint inquiry" is the best way to begin to determine any mistakes that may have led to the intelligence agencies' failure to warn of the Sept. 11, 2001, terrorist attacks. "It is our strong conviction that the approach we have adopted is the most effective means for discharging the oversight responsibilities of Congress on those aspects of Sept. 11 that concern activities...