Two miles deep in their latest tunnel, coal miner Steve Baker and his cohorts barely blink at underground hazards: a cavern collapsing behind them, explosive gas around their boots, roiling clouds of black dust. But they dread the above-ground parrying of state and federal politicians over protection of the nation’s forests. Decisions expected soon by Gov. Bill Ritter and the Obama administration may threaten the miners’ livelihoods — and the future of a traditional industry in western Colorado.