Rep. Randy "Duke" Cunningham pleaded guilty Monday to conspiracy and tax charges and tearfully resigned from office, admitting he took $2.4 million in bribes to steer defense contracts to conspirators. Cunningham, 63, entered pleas in U.S. District Court to charges of conspiracy to commit bribery, mail fraud and wire fraud, and tax evasion for underreporting his income in 2004. Cunningham answered "yes, Your Honor" when asked by U.S. District Judge Larry Burns if he had accepted bribes from someone in exchange for his performance of official duties. Later, at a news conference, he wiped away tears as he announced his...