David Pryor, a former Arkansas governor and U.S. senator who was one of the state’s most beloved and active political figures, has died at the age of 89.

(AP Photo/Evan Vucci)WASHINGTON – Moving quickly to assert influence over energy issues, President Joe Biden has named two Democrats to lead regulatory agencies that oversee nuclear power, natural gas and other energy infrastructure. Christopher Hanson, the new chairman of the Nuclear Regulatory Commission, and Rich Glick, leader of the Federal Energy Regulatory Commission, replace Republicans who led the panels under President Donald Trump. The NRC regulates commercial nuclear power plants and other uses of nuclear materials, including in medicine, while FERC regulates interstate transmission of electricity, natural gas and oil. It also reviews proposals to build liquefied natural gas terminals, interstate natural gas pipelines and hydropower projects. He also has served as a senior adviser in the Energy Department’s Office of Nuclear Energy and other department roles in the Obama administration.