Denver Post: Boulder has been gearing up this summer to wage perhaps the nation's most aggressive campaign to reduce greenhouse gas (GHG) emissions, a campaign that officials suggest will last for decades. As it proceeds, the city will become a fascinating test of whether a community can achieve huge GHG reductions while remaining an attractive place for commerce and without imposing regulation so meddlesome and overreaching that it tramples on personal liberty. But surely, you protest, neither of these outcomes...