Indians operate some of the most profitable casinos in the world.

The most profitable casinos have slot machines, which typically provide up to 75 percent of the revenue, but Washington State does not allow such machines.

The Horseshoe was one of the more profitable casinos in town.

Foxwoods is the most profitable casino in the nation.

Within three years, Harrah's was the most profitable casino in town, with slots representing 70 percent of the revenues.

But slot machines are the heart and soul of a profitable casino.

And Foxwoods executives have predicted that it would be the most profitable casino in the world.

This is how things work at Foxwoods, the nation's most profitable casino.

In recent years, the Pequot casino has become the nation's most profitable casino and the state's biggest tourist draw, attracting 20 million visitors last year.

From harvesting lettuce and maple syrup, we have now become the most profitable casino in the world.