Following a slow rollout of rules governing opportunity zones, a program Congress approved three years ago to encourage investment in low-income neighborhoods, developers have pumped billions of dollars into the zones nationwide, even in the midst of the pandemic.The program has drawn myriad detractors, including critics who charge investors are using it simply to avoid paying taxes. Others point to a lack of transparency that makes it tough to gauge whether the investments are making a real impact on communities.The Trump administration has resisted providing much federal reporting or oversight, but some states and cities are using the …
