when we look at how things have changed based on vehicles being used in the past, as a weapon, for people who are looking at event that may be coming up for the holiday, whether it's a local thanksgiving day parade, christmas parade coming up. do you sense that the questions they're going to be asking, am i safe, how easy is that question going to be to answer for local officials? >> well, i mean, there are going to be parades around the country, thanksgiving, santa claus coming to town, all those things going on. many cities now use trash trucks or dump trucks, police vehicles to block main arteries where the parade is going to be taking place so you don't have a problem with a vehicle going down that street. everybody is going to look at security. you can't protect against everything but there are some steps you can take as a precaution i believe will help make people feel a little more