National Security Advisor Condoleezza Rice told the 9/11 Commission Thursday morning that it was an alert Customs agent - and not the Clinton adminsitration "shaking the trees" for intelligence on al Qaeda - who deserves credit for foiling the December 1999 al Qaeda plot to bomb Los Angeles International Airport. "It's questionable to me . . . that somehow shaking the trees was what broke up the Millennium [Plot]," Rice told the 9/11 probers, referring to claims by Clinton terrorism czar Richard Clarke that White House alerts had the nation's security apparatus on the lookout for trouble. In fact, said...