An embattled Massachusetts state senator appeared in a federal courtroom today charged with taking $23,500 in bribes, including cash that she stuffed into her bra during a meeting at a tony Boston restaurant that was secretly videotaped by an undercover FBI agent, federal prosecutors said. Democratic state Sen. Dianne Wilkerson faces 40 years in prison after federal prosecutors outlined accusations that she accepted the bribes over an 18-month period in a money-for-legislative influence sting operation, prosecutors said. She had $6,000 in cash in her purse when she was arrested at her Roxbury home by nearly two dozen law enforcement officials,...