getting specific there, and, in the words of the alert, al qaeda could be targeting both official and private interests, throughout europe. the alert does not name cities, exact locations or the timing of a potential attack but reminds americans to remain vigilant around public transportation an subway stations and trains and the development follows news that usama bin laden is directly linkeded to a planned multi-city plot, for europe, similar to the deadly mumbai, india and shooting spree nearly two years ago. today's alert from state department cautions americans, again, to take precautions and to be aware of their surroundings, while traveling in europe, we have heard that before, of course, and, the u.s. is recommending americans register their travel plans now, through the state department, travel registration web site, there is also a state department phone number they are issuing with this alert, with updated security conditions around the world. again, the travel alert from the state department, is a step down