Washington Post: Do not try to tell Oren Heatwole that chicken poop smells. “Total myth,” he said before a colleague, eager to prove the point, scooped up a mulchy handful and inhaled deeply. Heatwole, a former chicken farmer, might be biased. But he isn’t the only fan of the stuff. Scientists at Virginia Tech are experimenting with technology that would convert what you might call an abundant resource here in the Shenandoah Valley into energy. The effort so jazzed Terry McAuliffe, a candidate …