A federal district judge sentenced former state Sen. Leland Yee, a San Francisco Democrat, to five years in prison Wednesday for trading political favors for campaign contributions. He was also fined $20,000. Yee admitted in a plea deal that he was part of a racketeering conspiracy that involved exchanging official acts for money, conspiring to traffic in weapons and money laundering. Specifically, Lee promised an undercover FBI agent favors in return for campaign contributions. During the hourlong proceedings, Yee asked the court for leniency in light of his public humiliation, his wife's severe illness, his admissions of wrongdoing and his...