The conflicts between businesses and Republican leaders such as Texas Governor Greg Abbott over COVID-19 vaccine mandates highlights the Republican Party’s shift from a pro-business, anti-regulatory party to one that answers to a populist base. Similar disputes are playing out nationally as anti-vaccine politics have run into strategies by companies to operate their businesses safely and as they see fit. Abbott’s executive order issued on Monday last week barring any entity, including an employer, from requiring a COVID-19 vaccination puts him squarely in opposition to the plans of many Te...