Hundreds of travelers on the road to Burning Man in their quest for oneness with nature and celebration of self-expression on a peaceful playa in northern Nevada's desert didn't expect to spend their first night in the parking lot of a Wal-Mart or Reno resort casino. But most were taking it in stride and were largely optimistic — as so-called "Burners" are apt to be — that the gates to the counterculture event would reopen Tuesday after rare rain showers in the Black Rock Desert turned the ancient lake bottom to a muddy quagmire the day before... ...Dozens of RVs...