Washington is the focus of the political competition this year, with both parties vying for control of a narrowly divided Congress two years ahead of the next race for the White House. But it is the governors’ mansions where much of the action is, including the Republicans’ most compelling attempts to provide a rival model of governance to that offered by the administration of President Joe Biden.In the 50 states, there are 28 Republican governors and 22 Democratic chief executives. Thirty-six of these governorships are up for election in November, with a partisan breakdown of 20 Republican-held seats to 16 occupied by Democrats. Many in the former group are consciously trying to provide a contrast with Biden and a handful of them could wind up seeking the presidency themselves. The number of Democrats positioning themselves...