When posh nightclubs became a big profit center for casinos a few years ago, many wondered how far gaming regulators would go to police activity — where a combustible mix of free-flowing booze and scantily clad patrons create potential, even inevitable, problems. Regulators have a broad mandate to impose fines and revoke the licenses of casinos whose activities are “inimical to the public health, safety, morals, good order and general welfare” or bring “discredit” to the state or gaming industry.