Associated Press: Republican Roy Brown has promised a more aggressive energy policy for Montana if elected governor — with expanded coal mining, a new power plant and fewer barriers to oil and gas exploration. Brown, a state senator from Billings, said this week that placing a large tract of state-owned coal in southeastern Montana up for bid would be among his first actions as governor. Brown said the Land Board has been seeking an appraisal of the Otter Creek coal tracts’ approximately 1 …