Study of the Uber Rich Provides Clues to Romney’s Tax Returns 0 Randall Gross US NewsAugust 2012Saturday, August 11, 2012 at 4:21 am PDT • Views: 1,036 nytimes.com Adjusted Gross Income Closest Proxy Highest Gross Income Federal Income Tax Internal Revenue Service Release Data Select Group Startling Disclosure Tax Returns Uber Rich Provides Income Tax Returns Income Tax Income Level Gross Income Elite Ultrarich Group Mitt Romney Tax Rates