CNN CNN Newsroom May 24, 2013 18:52:00
Spur a movement for more people to put in storm shelters. pba sells an assortment of models, many look like normal rooms and there, cory schultz sees his work as more than a business. it's a mission. >> after the fact, it's too late. this has to be something that you plan for, that you get in, that you get in place and then you use it and use it correctly. and then i think it can save lives across the country. >> reporter: storm shelters have been around for generations. famously featured in "the wizard of oz." but modern shelters are an entirely different matter. many companies now offer a va...