 THERE ARE EVACUATION ORDERS IN PLACE RIGHT NOW UP AND DOWN THE TEXAS COAST. THOUSANDS OF PEOPLE ARE EXPECTING THE RAIN TO INCREASE, THE WINDS TO PICK UP, AND THAT DANGEROUS STORM SURGE AS BARREL COMES ASHORE. FOURTH OF JULY HOLIDAY TRAVEL IS WRAPPING UP AND IT IS BUSY. CBS'S ELISE PRESTON EXPLAINS. MORE PEOPLE ARE FLYING CAUSING LONG LINES AND PACKED PLANES. AIR TRAVEL IS UP NEARLY 7% COMPARED TO LAST YEAR. LOWER TICKET PRICES ARE FUELING THIS GETAWAY FLIGHT.