Republicans are busy debating what gives them the most "leverage" in their fight to get rid of ObamaCare. One powerful tool, it happens, is an issue that few of them so far have wanted to talk about.

The issue is the White House's recent ObamaCare bailout for members of Congress and their staffs. The GOP has been largely mute on this blatant self-dealing. The party might use what's left of its summer recess to consider just how politically potent this handout is, and what—were they to show a bit of principle—might...