Kobayashi arrested after hot dog contest . NEW : The man was charged with disorderly conduct and resisting arrest, but the charges were later dropped because of insufficient evidence. Rival Chestnut won this year 's challenge . Kobayashi faces two misdemeanor charges .
Kobayashi arrested after hot dog contest . NEW : Not a publicity stunt , spokeswoman says . Rival Chestnut won this year 's challenge . Kobayashi faces two misdemeanor charges .