It has found a way to launch shows, stars and entertainment empires, all particularly impressive feats given the fragile state of the broadcast network business.

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Fortunately modern medicine, for all its foibles, performs extraordinary feats every day and survival rates for all kinds of life-threatening health problems are better than ever.

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When I think of all the tremendous, seemingly impossible feats made possible by entrepreneurs, I am amazed that more has not been done to reinvent our education system.

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The most pointless show of all is the self-consciously "clever" game show, usually involving remarkable feats of spelling and mathematical wizardry, that offers no prize at all.

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But in Las Vegas you can try your hand at such feats of gluttony every day, all over town.

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Through the years, players flashed the least power during the 1920s, '30s, and '70s, a fact that lifts the relative slugging feats of Ruth, Lou Gehrig, Jimmy Foxx and Mel Ott (all of whom played in the '20s and '30s), along with those of Mike Schmidt, Willie Stargell and Dave Kingman ('70s and '80s).

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