Donald Trump hasn’t thought this one through. Politico reports that Republicans are grappling with rising “anxiety” about the midterms. A key reason: Trump’s obsession with his ballroom and other pet projects is muddying the GOP economic message. That’s bad enough. Worse, Republicans just agreed to seek $1 billion in taxpayer money for the ballroom. Though this is allegedly for security, vulnerable Republicans will hate having to defend this. It’s not just that they themselves are lamenting that the project is distracting from their economic message. It’s also that the ballroom is already deeply unpopular and they’re now tied more tightly to it. We talked to political scientist Tom Schaller, author of a good piece on Trump’s “vanity presidency.” He explains why the ballroom is so deadly for the GOP, how Trump is creating a uniquely “personalist” presidency, and why Trump’s megalomania actually matters to the voters who will help decide the midterms. Listen to this episode here.