TODAY 8a: Summer travel troubles across U.S. Suspect in Idaho student murders back in court. Five things not to do on summer vacation. “The Summer I Turned Pretty” cast on TODAY.

<p>Flight cancelations and delays growing ahead of the summer’s busiest travel weekend. Also, suspect in Idaho student murders—Brian Kohberger back in court Tuesday as prosecutors announce they will seek the death penalty. Plus, a hotel manager, lifeguard and a dermatologist in studio 1A to share some tips that can help you on your next vacation. And, Lola Tung, Gavin Casalegno, and Christopher Briney in studio 1A to talk about their roles in the new series “The Summer I Turned Pretty.”</p>