A fierce dust storm hit the Black Rock Desert on the eve of its annual Burning Man festival, damaging campsites that had been set up early, participants reported. Winds of up to 50 mph stirred up the lakebed's alkaline dust so fiercely that participants in the annual art and culture festival reported not being able to see beyond a foot. Still, gates to the festival had opened by Sunday morning, with organizers cautioning new arrivals to "drive safely!" The dust storm arrived Saturday evening after strong thunderstorms in the Sierra Nevada drifted off the mountains and whipped up strong winds...