San Francisco  Emirates Team New Zealand has beaten Oracle in
four of the first five America's Cup races. Agence France-
Presse/Getty Images  The America's Cup, one of the world's
oldest sporting events, has never been fair. There's no spending
cap, so teams with super-rich owners tend to prevail, and the
winner gets the ultimate home-field advantage: the right to
dictate the location—and rules—of the next Cup.  So it may be
surprising that Oracle Team USA, the defending champion owned by
billionaire Larry Ellison, is currently losing to a team the New
Zealand government is funding to promote tourism.    In the
first-to-nine-wins Cup finals in San Francisco Bay, Emirates
Team New Zealand has trounced Oracle in four of the first five
races. Oracle was so soundly routed in Race 5 Tuesday that its
sailors called their sole timeout of the Cup and postponed Race
6 to Thursday, to regroup. New Zealand actually holds a five-
race edge, four wins to negative-one, because Oracle has a two-
race penalty for cheating in a