Reuters: If, like me, you have been confused, frustrated, dispirited or all of the above by the health care debate in Congress, get ready for more as the U.S. Senate prepares to take up climate-change legislation. The stakes are high. The debate will not be high-minded. Expect opponents of mandatory carbon regulation to distort the science and economics of global warming, predicting an economic catastrophe if the bill passes, even as environmentalists promise a green jobs nirvana and warn of …