As the Green Party wrapped up its convention here this weekend, former Georgia Congresswoman Cynthia McKinney accepted the party's presidential nomination. McKinney chose Rosa Clemente, a hip-hop artist, journalist and activist, as her running mate. "I choose to do this, not for me, but for my generation, my community and my daughter," she said. "I don't see the Green Party as an alternative; I see it as an imperative." McKinney served in congress from 1993......