GOP leaders eye the future. GOP voters keep looking back.

Political parties normally shrug off losses – even tough ones – and focus on future wins. But the GOP is finding that after 2020, many core voters are not willing to move on.

The two dozen Kalamazoo County Republicans are rapt. They sit shoulder to shoulder in foldout chairs as the guest speaker at their party meeting, who bills himself as an IT expert from the West Coast, details allegations of fraud he claims occurred in Michigan during the 2020 presidential election.

No such fraud occurred, according to a report from...