 fed by a steady stream of daily news stories that read tea leaves and applied electron microscopes to the tiniest scraps of evidence, looking for any minuscule signs, indicating that maybe it could happen. Maybe Biden would rethink things. Democrats wondering what it might take to change Biden's mind. Meanwhile, over in the other half of the country, in red state America, at the Republican National Convention, people who had changed their minds and reconsidered firmly held convictions were a big part of the festivities.