 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. Upset at Wimbledon, Emma Navarro eliminated Coco Gauff in straight sets in Wimbledon's fourth round. CBS News Brief, I'm Heather Bosch.