Trace Adkins will bring his "boardroom" from NBC's Celebrity Apprentice to a private event during Country Radio Seminar next week to show his co-stars how business is conducted in the country radio industry. His guests will include Tiffany Fallon, Nely Galàn, Marilu Henner and Omarosa Stallworth. ... In related news, Sean Hannity has withdrawn his appearance at CRS due to the impending coverage of the presidential election. He was initially scheduled to deliver the keynote address.