Can Al Olszewski get into Congress through the outside?

Now comes Al Olszewski, aka “Dr. Al,” to perform his role in the rotation of special guests at Republican dinners, where references to Donald Trump are like table salt — never on the menu, but always included. Unless, that is, there’s another candidate in the race boasting of Trump’s endorsement, as there is in Olszewski’s four-way GOP primary for Montana’s open Western District U.S. House seat. In that case, the challenge becomes this: how to persuade Republican voters of your MAGA-grade fealty...