Dozens on Saturday were slathering sunscreen where the sun doesn't usually shine. Boulder residents participated in the third annual naked bike ride as part of World Naked Bike Ride, an international mass of cyclists who, each June, abandon their underwear to protest oil dependency while having some summertime fun. “A guy (said) last night, ‘why protest if you don't get noticed,'” said Scot Colburn, 39, who moderates the group's email list. Wearing nothing but a topaz bicycling helmet and New Balance shoes, Colburn said, “this is a good way to get noticed.” The group - which “disorganizers” counted at 58...