Lied Center candidates to visit UNL By Erin Schulte Senior Reporter The two candidates for the director position of the Lied Center for Per forming Arts will bring vastly differ ent backgrounds and experiences when they arrive on their campus visits in early September. Susan Sheppard, the president of the Grand Opera House in Wilmington, Del., will visit the University of Ne braska-Lincoln on Sept. 5. Charles Bethea, associate executive director of the Arizona State Univer sity Department of Public Events, will arrive