Mogul's GOP donations spotlight Asia's 'Casablanca'

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In a wrongful termination lawsuit, the former head of Sands operations in Macau has accused billionaire gambling mogul and Republican supporter Sheldon Adelson of links to organized crime, approving prostitution in his casinos, and making questionable payments to Chinese government officials. Adelson strongly denies any wrongdoing. NBC News' Ian Williams reports.By Ian WilliamsMACAU -- There is a scene in the 1952 black-and-white movie "Macao" where Robert Mitchum is welcomed by a border guard as he enters the then-Portuguese colony. The guard tells him: "It is our fine hope that all visitors to Macau should feel as untroubled here as Adam in the Garden of Eden." To which Mitchum replies gruffly, "'Untroubled’ -- that ain't the way I heard it."

While billionaire Sheldon Adelson is no Robert Mitchum, he is now discovering that a city that has been a goldmine for his gaming company can quickly become a source of unwelcome problems.

In the 2012 campaign, Adelson was the Republican Party's biggest contributor -- by some estimates the largest political donor ever. He donated millions to Mitt Romney’s campaign -- a political gamble that did not pay off.

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