Actor And Literacy Advocate Levar Burton, Best Known For Hosting “Reading Rainbow,” Will Be The Keynote Speaker At East Tennessee State University’s Festival Of Ideas On February 27. Burton, Also Known For His Roles In “Roots” And “Star Trek: The Next Generation,” Will Speak At 7 P.M. At The Etsu Martin Center For The Arts. The Free Event Is Open To The Public, But Tickets Are Required And Can Be Reserved Online. ETSU Provost Dr. Kimberly D. McCorkle Said Burton’s Work Exemplifies The Spirit Of The Festival.