Rep. Chaka Fattah (D-Pa.), a onetime rising star who came to Congress 20 years ago as a next-generation reformer, was charged Wednesday with racketeering related to an off-books $1 million loan to his unsuccessful campaign for Philadelphia mayor in 2007. The Justice Department charged Fattah, a senior member of the powerful Appropriations Committee, and four supporters with 29 counts that included bribery, bank fraud and other corruption charges. “The public expects their elected officials to act with honesty and integrity,” said U.S. Attorney Zane David Memeger for the Eastern District of Pennsylvania. “By misusing campaign funds, misappropriating government funds, accepting...