Warren Buffett is under fire for avoiding taxes. Give him a break.

Warren Buffett.
Getty ImagesOPINION
Warren Buffett is getting roasted for avoiding taxes after ProPublica's bombshell report.
The billionaire investor is donating almost all of his money to good causes.
Buffett lives modestly, supports higher taxes on the wealthy, and doesn't use popular tax loopholes.
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Warren Buffett is being cast as the face of billionaire greed after ProPublica reported this week that he pays very little in federal income taxes rel