TODAY 8a: Remembering Cheslie Kryst. Bright future for troubled theater. Charlie Puth on his Super Bowl ad. 40th anniversary of NBC’s “Late Night” and David Letterman.

<p>The latest on the tragic death of former Miss USA and “Extra” correspondent Cheslie Kryst. Plus, Craig Melvin sits down with a pastor who is working to erase the troubling past of the once-segregated Echo Theater. Also, we’re chatting with Charlie Puth about his upcoming Super Bowl ad. And, celebrating the 40th anniversary of NBC’s “Late Night” and David Letterman.</p>