Hot air balloon businesses had thrived in the Coachella Valley for decades. Then came new neighbors on an 80-acre property, who began filing lawsuits. Lots of them.Nearly every winter sunrise for decades, hot air balloons floated above the Coachella Valley. People on the ground would wave and admire the chromatic airships, while the passengers would gaze down at the date palm groves, the sere desert floor, the plum shadows on the San Jacintos.