environmental protection agency propose rule regulate carbon dioxide emissions coal-fired power plant scott pruitt sue justice department offer legal status young undocumented immigrants scott pruitt sue obama administration seek give tax credit state set health insurance exchange scott pruitt sued.since become oklahoma attorney general 2010 pruitt file join lawsuits federal agencies least dozen time even oklahoma actual party litigation state often submit legal brief federal government besides air pollution immigration health care pruitt fight federal laws regulations bank contraception endanger species days whenever state go court obama administration chance pruitt somehow involved.not pruitt alone obama presidency entire cadre republican attorneys general 27 present coordinate case federal agencies unprecedented pace pruitt center action set first-in-the-nation federalism unit seek combat instance federal overreach every possible means.read govern great pro-coal oklahoma ag tap head epa