Bruce Rauner -- the Republican nominee for Illinois governor -- says he followed the letter of the law when filing his taxes. But he won't say whether it was fair.
Rauner, a businessman, has said his wealth puts him in the top .01%.
Even so, a Chicago Tribune analysis showed that in several recent years, he paid no Social Security or Medicare taxes.
Rauner has released limited parts of his tax returns.
It's believed he took advantage of I-R-S rules to legally cut his tax burden.
Rauner defended that ...