JEFFERSON CITY — In an attempt to level the playing field for Missouri businesses, all online retailers could soon be required to pay sales taxes in the state. Three bills attempting to do just that were brought before the Senate Ways and Means Committee in February, each differing on how to address the resulting increase in state revenue. These bills are collectively known as “Wayfair bills,” a reference to the 2018 U.S. Supreme Court case South Dakota v. Wayfair, which formally allowed state sales taxes to be applied to out-of-state online retailers. Missouri is one of only two states...