the airports are very well watched. in rome st. peter s after 9/11 changed in their security here. but then you go to the train stations how easy and lax it appears to be what they call soft targets precisely because they are so hard to protect. shannon? shannon: thank you very much. the travel advisory is less severe than an official travel warning. how worried should americans be? dr. farris joins us to talk about it. goode to see you. thank you for having me. shannon: how big of a risk is it? the risk has been there since the 9/11 attacks and incidents that took place in france, netherlands, belgium and elsewhere. is a general warning. more specific information says that france is specifically targeted. the french services said their involvement in africand at incidents with al-qaeda in africa have a possibility of a projection inside france.