*** As of 1 p.m. Eastern, 538 has collected three national polls and one swing-state poll that were conducted since the debate.* In all of them, more people who watched the debate said Harris won the debate than said Trump did. On average, 57 percent of debate watchers nationally said Harris turned in the better performance; only 34 percent said Trump did. *** That's all obviously good news for Harris — but there are a few caveats here. First of all, it's still quite early. Only a few polls have been conducted since the debate, and we'll have more data...