Bloomberg: Later this morning, Environmental Protection Agency administrator Gina McCarthy will present new draft rules for how much carbon dioxide power plants are to be allowed to spew into the atmosphere. The proposal is considered historic, especially by those who had to sift the 2.5 million or so public comments on the previous draft of these rules. In one respect, it is: This will mark the first time the U.S. has treated carbon dioxide-- the leading greenhouse gas that is warming the earths atmosphere...