THE COLONY — Restaurants and hotels will begin to open next year around the huge Nebraska Furniture Mart, which is anchoring the 433-acre Grandscape development. Grandscape is a project being built by Warren Buffett’s Berkshire Hathaway that’s estimated to cost a whopping $1.5 billion. The first of two phases, including the 560,000-square-foot furniture and appliance store, will cost more than $400 million and opens next year. On Tuesday, Nebraska Furniture Mart announced that locally based restaurants Mi Cocina, Cheddars and Hard Eight BBQ have agreed to open next summer and fall. The Hard Eight restaurant will be its largest at 18,000 square feet. A restaurant from Los Angeles, Rock &...