How Tim Walz explains the Democratic Party’s pro-factory farm politics

Tim Walz cuddles a piglet at a booth run by the Minnesota Pork Producers Association at the Minnesota State Fair in 2019.

Shortly after Vice President Kamala Harris announced Tim Walz as her running mate last month, a photograph of the Minnesota governor with an adorable piglet nestled in his arms at the 2019 Minnesota State Fair went viral, to the delight of Democratic voters, activists, and pundits alike.

Earlier this month, Walz made a campaign stop at a dairy farm where he bottle-fed a baby cow...