TODAY 3rd Hour: Summer travel troubles across U.S. Spotlight on tourists behaving badly. Consumer Confidential: Vacation safety. Buddy Up: Lesson in pizza making.

<p>Flight cancelations and delays growing ahead of the summer’s busiest travel weekend. Also, police in Italy searching for the man who defaced the ancient Colosseum. Plus, Consumer Confidential: Vicky Nguyen shares some tips on how to plan a safe and fun vacation. And, Buddy Up: Al Roker, Sheinelle Jones, Craig Melvin and Dylan Dreyer got to learn the art of pizza making.</p>