A large swath of open fields just outside of Park City has become the focal point of one of the most brazen land grabs you’re likely to ever see. It’s a story that has it all: A senator’s son, slick lobbying, subtle tweaks to state law, a rushed and opaque public process, and the potential for sprawling development. The town of Hideout, population 975, voted last week to proceed with plans to annex a portion of the 940-acre Richardson Flat, which has drawn interest from developers Nate Brockbank and his partner Josh Romney, the son of U.S. Sen. Mitt Romney....