David Bull, executive chef at The Driskill Hotel in Austin, Texas, has been invited to compete in "Iron Chef America."The Food Network show pits visiting chefs against such culinary stars as Bobby Flay, Mario Batali, or Masaharu Morimoto in cookoffs with a surprise main ingredient. Bull was recognized as one of Food & Wine magazine's top 10 chefs in America in 2003. The show will be taped January 24, with air times to be announced later.For more information on Bull and his foodservice operations, visit www.driskillhotel.com, www.driskillgrill.com or www.1886cafeandbakery.com.