Rep. Barbara Lee's Republican challenger this year is an online CEO, an energetic campaigner -- and also the daughter of the Nicaraguan Contras' late military commander, a heritage that has some East Bay liberals and human rights activists howling. Claudia Bermudez, 50, of Oakland, said she'll confront Lee on issues from homeland security to education. "I'm a businesswoman, I live here in the district -- I don't come as a Contra leader to come and overtake Berkeley." But she touts her father's legacy on her campaign Web site, saying she's "proud to carry on a tradition of political activism that...