The Grand Slam tennis arms race between Wimbledon and the Australian, French and U.S. Opens

By the time the organizers of the U.S. Open told the world that it too would be expanding to a 15-day event, the only appropriate reaction seemed to be: of course it is. There’s a Grand Slam arms race under way, and keeping up — whatever that means — comes at a price. Costs rise every year. Tennis players expect more prize money. So if a major like the U.S. Open sees a pot with tens of millions of dollars right there for the taking, given all the additional tickets, media rights increases and ma