 The National Park Service is prepping for the annual 4th of July fireworks show in Washington, D.C. along the National Mall. Gwen Talbart with Washington, D.C. TV affiliate WTTG reports. We were told that they were down there getting all set up and starting all ready to put all their preparations in place. And they are very, very aware of the fact that it is going to be a hot, sticky, muggy day. And there is a chance of seeing some storms. Mike Litteris from the National Park Service talked to us a little bit. And he was telling me how...