LONG BEACH, N.Y. -- Jenny Kastner couldn’t conceal her frustration. After three days spent waiting for local, state and federal officials to address what she saw as the most pressing need in this Long Island community -- food and water to thousands of residents living in cold, dark homes, many without any communication to the outside world -- she couldn’t believe that the first Red Cross truck she had seen was setting up operations in a windswept beach parking lot five miles from town.