Only in LA

You're driving north on Fairfax. You pass Third Street. You glance over at the Farmer's Market, now celebrating its 75th year in business. Behind it is The Grove, the hip outdoor shopping mall with lots of upscale stylish stores like Abercrombie and Nordstrom's and Crate & Barrel.

You see several groups of people on the sidewalk between The Grove and CBS on Beverly Boulevard. Each group is dressed identically, in garishly-colored t-shirts with funny slogans, family names or simply photos of D