By: Addison Wylie Fat is light on a traditional plot.  However, what Mark Phinney’s directorial debut lacks in regularity is reimbursed by a meaningful portrayal of human behaviour.  I’m even hesitant to call Fat a character study since the focus is so widespread across its cast. Overcoming a death in his family and a difficult break-up, Ken turns to food for relief.  But, what started as a coping mechanism has taken over Ken’s life in the form of…