Press of Atlantic City – When Atlantic Club Casino Hotel closes its doors Monday morning, it will mark only the third time in the city’s history that a casino has shut down. But unlike the gambling halls that have closed before it — shuttered amid unfulfilled promises of bigger and grander operations to replace what had failed — this time, experts say, the closing comes with uncertainty for the property’s future and what might come next for Atlantic City. Politicians, officials and analysts called Atlantic Club’s closing inevitable; the casino has struggled for years, and it only recently gained ground…