In the desert twelve miles from the Las Vegas strip, beside the highway, is a giant hole in the ground. Up until last Wednesday, it had belonged to Pat Doherty’s Harcourt Developments. The hole is 10 metres deep, 50 metres wide and 150 metres long. After three years on the market, it emerged that Harcourt had received $14 million for it. The new owner intends to build a gym there. At one time, Harcourt had much bigger plans for the site. In 2006, it teamed up with a local developer to build a residential scheme called Sullivan Square.  By Irish…