Whitehouse: "I extend an open hand, or an olive limb, to conservatives everywhere."Sens. Sheldon Whitehouse (D-R.I.) and Brian Schatz (D-Hawaii) have proposed a bill that would establish an economy-wide tax on carbon dioxide and other greenhouse gas emissions. “My bill sets the fee for a ton of carbon at $45 in 2016, the central range of the social cost of carbon as estimated by OMB, and would increase it each year at a real 2 percent. When emissions fall 80 percent below 2005 levels, the annual adjustment would fall to inflation,” Whitehouse said at the American Enterprise Institute when presenting...