A&M research seeks a birth control pill for the multiplying animals. By Michael Graczyk ASSOCIATED PRESS Friday, June 13, 2008 GILMER — Broad areas of grazing land at Pete Gipson's farm bear plow-like scars. But it's no out-of-control machine that's left disjointed ruts and holes amid long grass ripped from the earth. He and other ranchers and farmers in Texas and the South are waging an uphill battle against herds of voracious feral hogs. The beasts, up to 3 feet tall and 400 pounds, devour feed intended for livestock and tear up pastures at his 300-acre Red Cap Farms in...