Mat Ishbia is essentially 'building an amusement park,' one neighbor says
                                
                                
                                    (Newser) -
                                    There are the  millions of Americans living in poverty , and then there's Mat Ishbia, the billionaire mortgage lending magnate  who recently bought  the Phoenix Suns and the Phoenix Mercury, and who is building a 60,000-square-foot mansion in Michigan on a 14-acre property that will include, among other things,...