During the contest for the 2020 Democratic presidential nomination, senators Elizabeth Warren (D-Mass.) and Bernie Sanders (Independent-Vt.) ran on a message of progressive rural populism. Among other things, they vowed to break up the handful of seed, pesticide, and meat companies that dominate US agriculture. This agenda seemed to resonate with Democrats in the rural state par excellence, Iowa, with its blanket of corn and soybeans and concentration of teeming factory-scale hog facilities.