John Kerry has been much lampooned for saying that he "actually voted for" funding U.S. troops in Iraq "before he voted against it." He's in a another contradictory position when it comes to nuclear energy. Kerry's Web site states that "nuclear power can play an essential role in providing affordable energy while reducing the risk of climate change." His aides also say he is for nuclear power. So far, so good. But then on a recent campaign stop in Las Vegas — about 100 miles away from the planned Yucca Mountain (search) site for the long-term disposal of waste from...