Every so often we bring you petty arrests, such as silly arrests for playing dice, but today’s is a brand new level of petty, and this time it’s the defendant’s pettiness that earns the petty badge. Andrew Dempsey‘s mother had him arrested on Tuesday for lighting the corner of her writing journal on fire during an argument about laundry. Dempsey, 26, lives with his mother in Nashville. Dempsey is an aspiring personal trainer, and operates under his brand ‘All-Day Strength‘. According to the MNPD, the defendant and his mother,…