In February 2017 Michael J. Hunter was appointed Attorney General of Oklahoma, replacing a man appointed to the EPA by which president?
Michael J. Hunter:  On February 20, 2017, Hunter was appointed Attorney General of Oklahoma, replacing Scott Pruitt who was confirmed as the Administrator of the Environmental Protection Agency three days earlier on February 17. Scott Pruitt:  Nominated for the position by President Donald Trump, Pruitt was confirmed by the United States Senate to lead the EPA on February 17, 2017.
Donald Trump