SHALEIONAIRES - While some complain that extracting natural gas from shale rock formations is tainting their water supply, others who have allowed drilling on their property are getting wealthy and becoming "shaleionaires." Lesley Stahl reports. Shachar Bar-On and Meghan Frank are the producers. HAITI - The earthquake made things in already-poor Haiti bad enough, but now a cholera epidemic is threatening to kill more Haitians, whose living conditions after the quake help to spread the water-borne infection. Byron Pitts reports. Harry Radliffe and Magalie Laguerre Wilkinson are the producers. MEDAL OF HONOR - The first living soldier to receive the Medal of Honor since the Vietnam War tells Lara Logan in an emotional interview just what he did to earn the nation's highest combat honor and how the recognition makes him uncomfortable. Max McClellan and Jeff Newton are the producers.