In a letter sent to the Acting Chairman of the Commodity Futures Trading Commission, Senators Dianne Feinstein (D-Calif.), Ron Wyden (D-Ore.) and Maria Cantwell (D-Wash.) encouraged the CFTC and the Federal Energy Regulatory Commission (FERC) to cooperate when pursuing cases involving alleged misconduct in the energy markets. Legislation sponsored by the three Senators and enacted in 2005 conferred anti-manipulation enforcement authority in the natural gas and electricity markets on FERC, and enforcement actions brought by the two agencies in connection with the collapse of Amaranth Advisors have engendered jurisdictional disputes. The Senators urged the agencies “to fight market manipulators, not each other.”