WASHINGTON – Sen. John McCain called Monday for reductions in carbon emissions and criticized the Bush administration for failing to lead the fight against climate change. "We have many advantages in the fight against global warming, but time is not one of them. … We stand warned by serious and credible scientists across the world that time is short and the dangers are great," the Arizona Republican said in a speech delivered at a wind-energy facility in Portland, Ore. "The most relevant question is whether our own government is equal to the challenge." McCain, the presumptive Republican presidential nominee, proposed...