Rickie Fowler is having the first big struggle of his career. He used to be a regular at the majors, and often contended. But now one of the players considered the best without a major is having a hard time getting into them. He missed the Masters. He’s not in the U.S. Open. Fowler will be at the PGA Championship next week at Kiawah Island after receiving a special invitation for the first time. Fowler says the struggle has been humbling. Jordan Spieth can relate. He says it’s hard to make progress with everyone watching.