Maggi Moss, who led all owners in races won in 2006, will be the keynote speaker at Wednesday night's third annual Oaklawn Kick-Off Banquet at Wyndam Riverfront Hotel in North Little Rock, Ark. Tickets for the event - which will also honor jockey Calvin Borel and the connections of Summer Bird - are available for $30 through the North Little Rock Chamber of Commerce at (501) 372-5959. . . . Nat Wess, a fixture on the racing scene in California and Minnesota, retired Dec. 31 after a 45-year career in Thoroughbred racing. Wess, 70, began in the publicity departments of Santa Anita and Hollywood Park and went on to be assistant general manager at Canterbury Park, general manager of the California Breeders' Association, assistant general manager at Bay Meadows, and most recently Claiming Crown event coordinator. . . . Sam Houston canceled its Friday night card and Saturday morning training because of frozen track conditions and frigid temperatures.