Six Democratic presidential candidates faced off at a debate at Drake University in Des Moines Tuesday, less than three weeks ahead of the state’s first-in-the-nation caucuses. Some of Iowans’ top concerns got added attention.⁠⠀ ⁠⠀ At the debate hosted by CNN and the Des Moines Register, candidates fielded questions drawn from Iowans’ own suggestions. Climate change consistently ranks among the top concerns this cycle.⁠⠀ ⁠⠀ Former mayor of South Bend, Indiana Pete Buttigieg was asked how he’d help farmers and factories that can’t move out of the way of record-breaking floods, like those seen in Iowa last year.⁠⠀ ⁠⠀ "If we get it right, farmers will be a huge part of the solution. We need to reach out to the very people who have sometimes been made to feel that accepting climate science would be a defeat for them, whether we're talking about farmers, or industrial workers," he said. ⁠⠀ ⁠⠀ During the debate, Vermont Senator Bernie Sanders was asked why he doesn’t support the new NAFTA de...