It seemed to me that the production values of the GOP convention were simply higher than those at last week's Democratic confab. Maybe that had to do with the fact that Democrats more fully embraced a virtual convention. But otherwise, the evening had a few simple themes: Democrats are socialists, want anarchy and chaos, seek to defund the police, and Biden is the Trojan horse who will make it all possible if he's elected. That sort of messaging fits in with negative partisanship, which holds that many voters dislike the other party more than they like their own. It's hard to say whether this could bring in more voters who have mixed to negative feelings toward the president, however.