Tiger’s still the king of golf, but even royalty ages. He’s 38, which means the sport will soon face a succession crisis. Golf may have a new icon in Rory McIlroy, the young Northern Irishman who hoisted the British Open’s Claret Jug. But McIlroy, 25, seems somewhat skeptical about the “Reign of Rory” and insists that observers not jump to conclusions. One thing’s for sure: With golf’s viewership in decline, the PGA could use a new king.