Climate Desk: Almost as soon as President Barack Obama and President Xi Jinping announced their landmark climate deal last week, there was a torrent of criticism that the pact let China off the hook. Incoming Senate Majority Leader Mitch McConnell (R-Ky.) complained that "the agreement requires the Chinese to do nothing at all for 16 years." The argument goes like this: The U.S. committed to deeper, faster cuts than it had before -- reducing carbon emissions 26 to 28 percent below 2005 levels by 2025. But under...