Politico: President Barack Obama delivered a somber lecture on the science of climate change to the graduates of the United States Coast Guard Academy on Wednesday as argued that global warning poses a threat to national security.
Obama's call to cut carbon emissions, which emphasized the impact that Arctic ice melt would have on the Coast Guard, came just over a week after he opened Alaska's Arctic Coast to oil drilling -- and about seven months ahead of a United Nations summit in Paris at which the president...