Bergen , Cahall : Egypt issued global travel alert , 21 embassies , consulates close That day . That day is Koran , ' also seen by al Qaeda as good night for martyrdom . They say the Night of Power of power has brought earlier terror attacks ; embassies a favored target . Writers : Target may be U.S. , where earlier attack aimed ; jailbreaks may also be factor .
Bergen , Cahall : U.S. issued global travel alert , 21 embassies , consulates close Aug. 4 . That day is Ramadan 'Night of Power , ' also seen by al Qaeda as good night for martyrdom . They say night of power has brought earlier terror attacks ; embassies a favored target . Writers : Target may be Egypt , where earlier attack aimed ; jailbreaks may also be factor .