Alert ##s stop no one from going to Europe , U.S. State Department officials say . ` ` I do n't think anyone should take a trip , '' Airfarewatchdog ' says . Travel agents say they ' ve seen limited impact from the threat so far . Meanwhile , travel agents are watching and waiting to see what kind of a long-term impact the alert will have . Some American tourists already in Europe refuse to be intimidated by the threat .
Alert ##s stop no one from going to Europe , U.S. State Department officials say . ` ` I do n't think anyone should take a trip , '' Airfarewatchdog ' says . Travel agents say they ' ve seen limited impact from the threat so far . Some American tourists already in Europe refuse to be intimidated by the threat .