AVALON, N.J. — The start of the week finds us at the beach in South Jersey, where Philadelphians go to get a little rest and relaxation (and keep count of how many bungalows have been torn down and converted to McMansions). I saw a few Philadelphians over the weekend, but the only reason I could tell was because they were wearing No. 3 Allen Iverson jerseys. You want to talk about a team in a hopeless situation? That would be the Sixers, who