U.S. imposes sanctions on Iran central bank governor

By Lesley WroughtonWASHINGTON (Reuters) - The United States on Tuesday imposed sanctions on Iran's central bank governor and an Iraq-based bank for "moving millions of dollars" for Iran's elite Revolutionary Guard, as Washington seeks to cut off funding it says Tehran is using to fund militant activities overseas.U.S. Treasury Secretary Steven Mnuchin accused bank chief Valiollah Seif of covertly funneling money on behalf of the revolutionary guard's external arm, Quds Force (IRGC-QF), through A