Baltimore Sun – The Northern Virginia couple throwing down $100 tokens at Maryland Live casino last month may have looked like aspiring high-rollers, but police say they were gambling with fake chips. Maryland State Police have charged a husband and wife from Annandale, Va., with conspiracy and theft after determining that they were using counterfeit chips at the Hanover casino. Authorities are looking for two other suspects in a similar, but unrelated, case. According to police, Rosa A. Nguyen, 36, purchased $150,000 worth of counterfeit casino chips — which had been altered to appear to be Maryland Live chips —…