- Billionaires Keep Benefiting From a Tax Break to Help the Poor. Now, Congress Wants to Investigate. | In response to reporting by ProPublica and others that show the opportunity zone tax break helping the politically connected, members of Congress are calling for changes in the law. https://www.propublica.org/article/billionaires-keep-benefiting-from-a-tax-break-to-help-the-poor-now-congress-wants-to-investigate 10 comments politics