Crowd control at all Wal-Mart stores in New York appears to be smooth... one year after a security guard was crushed to death by a stampede of shoppers.Nassau county district attorney Kathleen Rice says in a statement that her office is unaware of any injuries or property damage at New York Wal-Marts.On the other side of the country, an Upland, California Wal-Mart closed its doors for several hours after shoppers began fighting over merchandise.Police say no arrests were made and customers were allowed back inside by 6.