By: Jeff Ching Clean Slate is a documentary that can be described as The Fabelmans meets Dopesick.  Instead of trying to cover the opioid crisis and the countless lives that have been ruined because of it, Clean Slate takes a more grounded approach; simply focusing on two best friends (Cassidy and Joshua) in rehab, whose lives have been ruined by their addiction to painkillers.  However, Cassidy and Joshua share one passion – their love of…