Michelle Minkoff, data journalist, Washington; David Lieb, reporter, state government team, Jefferson City, Mo.; and Sudhin Thanawala, reporter, Atlanta, for mining an exclusive data set to reveal – just as heavy rains and flooding in the Southeast put several dams on the brink of failure – that hundreds of dams in the region lack required emergency action plans to help authorities and downstream residents respond to the threat. https://bit.ly/2T1x3Gx