In the 1960s and '70s they burned their bras and draft cards, marched on Washington, founded Earth Day and vowed never to trust anyone over the age of 30. Today, the baby boomers are doing the limbo, dancing wildly and waving their arms in the air to the unintelligible lyrics of "Louie, Louie." At least that's what they're doing in Portland, Oregon, at the Baby Boomers' Social Club Friday night dance at the Red Lion Hotel. "We have a live band once a month, and we do all sorts of different dance styles," says Melanie Pedersen, co-founder with Julie Dahlman...