A congressional candidate who took a "political vow of poverty" tried to convince a federal appeals court Tuesday that Delaware's $3,000 fee to run in the Democratic primary allows only the rich, or those who accept campaign contributions, to seek political office. Democrat Steve Biener sued the state and the party in June, arguing that the fee _ the second highest in the nation for a congressional race _ is too high a hurdle for low-budget candidates. "That fee is there to discourage people from challenging incumbents," Biener said. Lawyers for the state defended the fee in Philadelphia on Tuesday...