Associated Press: Republicans in competitive races are treading gingerly around climate change this campaign season, often saying they are not in a good position to make a judgment on the issue, then pivoting quickly to express concern for the environment, the economy or both.
"I am not a scientist," Senate Republican Leader Mitch McConnell of Kentucky has said numerous times, a response that other members of his party have employed when asked if human activity is causing the earth to warm.
Former Rep. Frank...