evan flanery was last seen leaving his home to meet a stranger.r and sister say it's out of character for him not to contact them. they are reaching out through facebook and new sites, as well. flannery was last seen wearing jeans, a grey-hooded sweatshirt. >>> now that summer is here, many people will be getting a firsthand look at america's beaches. from coast to coast, it's disappearing. >> you'll find children building in the sand and adults doing the same on this new jersey barrier island. one of many battles to preserve america's beaches. >> 80-90% of our beaches are eroding eachier. >> erosions are closing south carolina's parks. and in san francisco, they're debating whether it's worth the effort to try and save ocean beach. though the beach is where we like to play. >> it plays a critical role in our defense. >> here, that means atlantic city's famous board walk. so the beach is being fortified with this $18 million project. 1.3 million cubic yards of sand will be dredged, filtered and spread along five-miles of shoreline. >> can you just