Only giant clinical trials measuring hard outcomes like heart attacks, strokes and deaths can tell doctors whether a heart drug's benefits outweigh its risks.

FORBES: The Statin Showdown

Broadie has created a similar way of measuring the contribution to scoring success of all the other strokes, too.

WSJ: Sean Foley, Eclectic Golf Whisperer

He consults frequently with Mark Broadie, the Columbia Business School professor who perfected the "strokes gained putting" statistic that the Tour adopted last year for measuring players' relative skills on the greens.

WSJ: Sean Foley, Eclectic Golf Whisperer