Politicians typically enter office with a variety of interests, goals and focuses. A wave of progressive Democrats were elected in 2018 with the stated goal of bringing universal healthcare to the US. Franklin Delano Roosevelt promised to lead the country out of the Great Depression with the New Deal. Donald Trump wanted to build a wall, “drain the swamp”, and force people to say “Merry Christmas”. Tommy Tuberville, the Republican senator from Alabama, has taken a different tack. In a series of interviews and statements in recent months, he has invested his political capital in an attempt to defend white...