PALM BEACH GARDENS, Fla. (AP) — PGA National’s signature test is a three-hole span on the back nine called “The Bear Trap,” named for Jack Nicklaus and touted as one of the most demanding stretches in all of golf. The par-3 15th, with water down the right side. The par-4 16th, with the approach over water. The par-3 17th, over water again with a green that’s sloped toward trouble. Oh, and the…