Deer hunters are facing competition from a source that is mean, relentless and out of control. The explosion of feral hogs across the U.S. is threatening the deer population — spreading disease, dominating the food chain and even, on occasion, killing and eating fawns. In Louisiana, where there are an estimated 700,000 wild hogs, hunters and wildlife officials say they are taking a toll on the whitetail deer herd. Read more at Fox News…