LOS ANGELES (Reuters) - A Los Angeles lawyer who claims he was thrown out of Las Vegas last year because he was too lucky has sued MGM Mirage in a bid to force the casino to warn prospective gamblers that they can be barred for winning too much. Ernest Franseschi Jr., a frequent gambler, accused MGM officials of surreptitiously photographing him while he played blackjack at a high-stakes table at the chain's New York New York casino last March. Franseschi claims casino officials circulated the photo to other Las Vegas casinos after he left the blackjack table with thousands of...