Associated Press: A Pennsylvania property maintenance company has fired a worker caught on video using racial slurs toward anti-fracking activists. WPXI-TV (http://bit.ly/1IG1dX6 ) in Pittsburgh says the incident happened outside the offices of Rex Energy, a drilling firm, in Mars. That's about 30 miles north of Pittsburgh. The man worked for MMC Land Management, which maintains commercial properties, and was apparently angered that people were picketing the drilling firm. After harassing the picketers, the MMC...