It should have been all about Tiger and Jack in St. Andrews. Neither will hoist the Claret Jug again — Jack’s too old, Tiger’s too broken — and this 150th British Open wound up being, more than anything else, about the most dire existential threat the golf establishment has ever faced. The establishment fought back a bit Wednesday. Martin Slumbers, the very Britishly named CEO of The R&A, said the British Open could alter its parameters for inclusion in the oldest major championship, “whether it’s an exemption or a need to qualify through our qualifying process.” In other words, the 23 LIV gol…
