2/19 - Brian Stafford speaks as part of the 2009 Lecture Series at the Crest Theatre, Old School Square, 51 N Swinton Ave., Delray Beach.. Stafford served as the 20th director of the U.S. Secret Service, protecting Presidents Nixon through Clinton. 2 pm. $25 (open balcony), $40 (reserved main floor). 243-7922, Ext. 1.