O.J. Simpson Estate Hit With $500k Tax Lien, Says Executor

O.J. Simpson avoided paying Nicole Brown Simpson and Ron Goldman's families millions when he was alive -- and now, from beyond the grave, he might be dodging them again ... TMZ has learned. While Malcolm LaVergne -- O.J.'s longtime lawyer and now executor of his estate -- made it clear he intended to talk money with Nicole and Ron's respective loved ones ... Malcom says an unforeseen tax debt is creating a new…