Area stores unhappy with tax-free sales of cigarettes by the Oneida Indian Nation have found a powerful ally — one of the world’s largest tobacco companies. “The state loses revenue. Retailers lose sales. Their employees could even lose jobs. And it adds to the burden on hard-working taxpayers,” reads a recent full-page advertisement paid for by Altria Client Services on behalf of Philip Morris USA. The ad was published in various Upstate New York newspapers.