With all the talk about new taxes and their potential role in deficit reduction, Senator Bruce Vitter (R-Louisiana) and Representative Mike Pompeo (R-Kansas) are making a preemptive strike on one area of taxation that gained some attention a few years ago: the carbon tax. The carbon tax was the concept behind cap and trade that gained some support from conservatives because it offset other taxes.For example, former Representative Bob Inglis (R-South Carolina) now runs George Mason University's Energy and Enterprise Initiative, a well-known conservative research operation, and is proposing to "lift taxes off of income and onto pollution." Greg Mankiw and Glenn Hubbard, two former chairmen of the Council of Economic Advisors under President...