MARIETTA, OH—Jim Koepp, 59, simultaneously replaced his sparkplugs and held a conversation without once taking the cigarette out of his mouth.National News Highlights • Local • ISSUE 49•01 • Jan 7, 2013 39603MARIETTA, OH—Jim Koepp, 59, simultaneously replaced his sparkplugs and held a conversation without once taking the cigarette out of his mouth.