we are joined by andy mccarthy. this was your area of expertise. you dealt with terror.lved in the first world trade center attack. it is in the back of our minds as we head into all of these anniversaries. real, specific, credible, they are coming out publicly, it must be real. >> the great thing now compared to 10 years ago is we are in a prevention mode. we are doing aggressive, proactive intelligence gathering and the goal, top priority of everything is to prevent these things from happening. rather than to essentially let our guard down and content with -- >> sean: are you confident that the vehicle check points, the bag inspections, the radioactive checks they are going to have is going to be enough? or are we still vulnerable? >> i think ray kelly is perhaps the best police commissioner certainly one of the best police commissioners ever. i have no doubt that they will take every step that ought to be taken. nothing is perfect. >> sean: we'll come back. more on tonight's breaking news after the break. we'll continue with our great, great a >> sean: we continue wit