Not that plenty of gray hairs won't like ARC's "Summer Dance at the Center" (8 p.m tonight and tomorrow at the Leo K. at Seattle Rep; tix $15-$25) fine, but let's face it: Ballet as an art form is a consumable cultural commodity. Like Shakespeare, it's something a number of people go see because they want to be cultured, and just as theatres do Shakespeare constantly to meet that demand, ballets cater to an older moneyed crowd (as well as princess-loving little girls) by trotting out the pretty Balanchine pieces with their tiaras and tutus on a regular enough basis to ensure that they don't scare off subscribers. more ›