(Bloomberg) -- A former jet-setting Chicago billionaire was sentenced to seven and a half years in prison for a $1 billion fraud at an advertising startup that included investors such as Goldman Sachs Group Inc., Google parent Alphabet Inc. and Illinois Governor JB Pritzker’s venture capital firm.Most Read from BloombergDemocrats Weigh Mid-July Vote to Formally Tap Biden as NomineePowerful Hurricane Beryl Aims at Jamaica After Grenada StrikeTrump Immunity Ruling Means Any Trial Before Election U...