Mother Nature Network: Two Pennsylvania children have been permanently banned from talking about fracking following a legal settlement with the companies exploring for natural gas around their family farm. The 2011 settlement, signed when the kids were just 7 and 10 years old, could theoretically follow them for the rest of their lives, according to reports from the Pittsburgh Post-Gazette. How did two pre-teens get wrapped up in this gag order? It all stems from a 2011 settlement signed by their parents after fracking...