Poison, originally scheduled for September 4th at the Pearl has canceled.  Due to increase volumes, refunds will process as soon as 30 days.  If guest purchased in person at a Rewards Center using a Credit Card or through Ticketmaster, refunds will automatically process.  If a guest used points or cash at a Rewards Center, he or she will need to visit point of purchase to receive the cash or points refund.  If guest purchased at Palms, Texas, or Fiesta and…