SIERRA NATIONAL FOREST, Calif. - Juliana Park was lucky to escape a wildfire raging through the Sierra National Forest over the weekend and she shared a harrowing video clip of her escaping the gauntlet of flames as she drove to safety."A backpacking trip cut short by unforeseen thunder, ash rain, and having to drive through literal fire to evacuate #SierraNationalForest in time," she tweeted on Saturday. "Grateful to the SNF ranger who led us down...