chicago billionaire investor j.b. pritzker heir hyatt hotels corp fortune formally enter grow democratic field illinois governor thursday label republican bruce rauner failure state chief executive pritzker bid pit chicago businessman chris kennedy son late u.s. senator robert kennedy three democratic candidates party march 20 2018 primary governor bruce rauner failure promise turnaround get runaround pritzker tell supporters chicago park district gymnasium city crime-prone southside illinois country fifth-largest state immerse one politically turbulent eras 199-year history rauner feud democrats control state legislature insistence state budget tie list policy demand would weaken unions impose legislative term limit freeze property tax impose new rule injure workers seek compensation employers house speaker michael madigan fellow democrats block agenda illinois without complete budget rauner first two years office fiscal futility leave illinois state ever go 22 months without budget nearly 13 billion unpaid bill wednesday get start tax millionaires billionaires first go middle-class families get people pay fair share pritzker tell reporters announcement pritzker 52-year-old brother former u.s. commerce secretary penny pritzker position wealthy candidate race far net worth estimate forbes 3.4 billion rauner former private equity investor appear forbes list enter re-election bid plentiful resources last november governor release 2015 tax return show wife 188 million taxable income month late steer 50 million personal fund campaign account state record show state republican party attack pritzker thursday link long-serving democratic house speaker insist pritzker favor reinstatement state percent individual income tax january 2015 state income tax drop 3.75 percent temporary 2011 tax increase lapse hyatt heir pritzker open democratic bid unseat illinois governor