From New York Times – Gibraltar, the British territory at the tip of the Iberian Peninsula, has long been a political sore point between Britain and Spain. But now, in an Internet gambling dispute, it’s Briton vs. Briton. Officials and executives in the territory’s thriving online gambling industry are crying foul over Prime Minister David Cameron’s plan to impose a 15 percent tax on residents of Britain who place bets on Gibraltar’s dozens of sites. People here in this tiny outpost, which evokes England with its red phone booths and helmeted police officers, see the proposed tax as an unfair…