Real estate experts say J.B. Pritzker, Democrat candidate for Illinois governor, may have some serious legal problems stemming from a leaked report outlining how he allegedly manipulated Cook County’s tax system to lower his property tax bill. The leaked report from Cook County’s top watchdog revisits how the Chicago billionaire got tax breaks totaling more than $300,000 by ripping out the toilets and altering other parts of one of his Gold Coast mansions shortly before having it deemed uninhabitable by a private appraiser.