BRIDGING THE GREAT DIVIDE.

Focuses on transatlantic cooperation in the fight against terrorism. Possibility that more such attacks as the one in London, England, are coming, according to terrorism experts in Europe and the U.S.; Strategies that are being devised by the governments of the U.S. and Europe to deter terrorism; Divisions between the President George W. Bush administration and European countries; Creation of a supersecret alliance base, set up in France two years ago; Focus of the alliance on intelligence-gathering and antiterrorist operation; How coordination continues to be a challenge; The mixed results of the Bush administration's efforts to deprive terrorists of safe havens and state support; Outlook.