Rage, maternal loss and the sting of humiliation are accelerants in the bloodstream in Catfight, Onur Tukel’s face-thumping black comedy and satire on the unreality of violence. The match is lit when estranged college chums Veronica (Grey’s Anatomy‘s Sandra Oh) and Ashley (Anne Heche) bump into eachother at a fancy Manhattan party for the first time in years. In this alternate America (very near future?), the country is eyeing up another war in the Middle East, and Veronica and her husband, who runs a debris clean-up company, are in for a big payday if they land a juicy Pentagon contact.…