Times-Tribune: Some state legislators cant or wont come to grips with the reality that coal is not the fuel of the 21st century. Like all states, Pennsylvania is required to devise a Clean Power Plan in accordance with new federal regulations. The Wolf administration is doing so as federal appeals courts deal with challenges to the regulations. The federal standard calls for Pennsylvania to reduce carbon emissions from 2005 levels by 32 percent by 2030, with measurable progress by 2022. How to achieve that...