Throughout the past year, regulators from around the world have faced pressing challenges posed by the COVID-19 pandemic, economic turmoil, environmental instability, and racial injustice—to name but a few of the many consequential issues with implications for regulatory policy. As 2020 comes to an end, those of us who produce The Regulatory Review are taking the time to reflect on the significant role that regulation has played in shaping global events and addressing unprecedented challenges in the United States and around the world during the year. In this year-end series, The Regulatory Review highlights many of these developments and showcases the most widely read essays we have published during this past year. Based on page views, we...