A new congressional letter circulating among lawmakers charges the William, Hillary and Chelsea Clinton Foundation is a “lawless, ‘Pay-to-Play’ enterprise that has been operating under a cloak of philanthropy for years.” The letter, obtained by The Daily Caller News Foundation, is authored by Tennessee Republican Rep. Marsha Blackburn who plans to send it to FBI Director James Comey, Internal Revenue Service Commissioner John Koskinen and Federal Trade Commission chairwoman Edith Ramirez. The letter calls upon the three agencies to launch a “public corruption” investigation into the ties between Clinton Foundation donors and Hillary Clinton’s policies as secretary of state. The...