General Growth, however, has a fine record of filling empty space and figuring out novel ways to squeeze more out of space that's already rented.

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Beautiful Lumangwe, a wide wall of water that thunders into the Kalungwishi River filling the air with fine mist, looks like Victoria Falls in miniature.

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Cubans who have managed to get an advanced education under Castro, like the many doctors staffing its medical system, will probably do fine, though many might move to the U.S. seeking better pay, filling our looming doctor shortage.

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