SAN DIEGO — Word on Wednesday that crowds were down — at least in the early hours — for the opening round of the Farmers Insurance Open generated some reader response. Mainly grumbling about ticket prices for the event at Torrey Pines. “A big reason the fans are low I suspect is that they didn’t let local youth groups sell the $35 tickets to raise money this year,” Rancho Penasquitos’ Chris Cahill said. “I sure hope that comes back.” Added San Diego’s Dale Adair: “The normal practice of offering complimentary tickets for the first two rounds for military personnel was eliminated this year. “In…