A radio personality at 550 KTRS was fired on the spot this morning after using the word “coon” on the air in a conversation about Secretary of State Condoleezza Rice. Dave Lenihan was dismissed after what he called an inadvertent slip of the tongue. Within 20 minutes, station CEO Tim Dorsey apologized on the air to listeners and announced that Lenihan, who had been with the station for less than two weeks, had been let go. “I don’t know what was in Mr. Lenihan’s mind,” Dorsey said in an interview. “I know what I heard. I know it was reprehensible.”...