One of the world’s tallest horses has made a new home at a rescue center after the 8-foot-tall giant outgrew his owner’s stables. Phantom the horse officially measures 20.1 hands tall (2.06 meters) to his withers, but in reality, his head sits at around 8 feet. Weighing a staggering 2,000 pounds (approx. 907 kg), he became too big…