What does transgression mean now – and what are artists transgressing against? Laura Miller: “Much of what transgressive art rebels against is politeness, but politeness has many dimensions. It may dictate that you never swear or discuss sex, religion, or politics in ‘mixed company.’ And it also decrees that you don’t use racial slurs when referring to groups you don’t belong to.” Some (not so great) artists can’t figure out the distinction. – Slate