All Headline News: Sen. John McCain (R-AZ) expressed support on Thursday for the goal of producing all of the nation’s electricity using renewable energy sources within a decade. The challenge was made earlier by former Vice President Al Gore to current and future elected officials. “I’ve admired the vice president on this issue,” McCain said, according to CNN. “There may be some aspects of climate change that he and I are in disagreement on but overall – I mean, I’ve always been a …