Vance is one of the least popular vice-presidential picks this century. It's important to make a good first impression — whether you're on a first date, interviewing for a job or running to be vice president of the United States. And the two men who recently joined the Republican and Democratic presidential tickets have made very different first impressions. According to 538's new polling average of Minnesota Gov. Tim Walz's favorable and unfavorable ratings, the Democratic candidate for vice president has an unusual quality for a modern politician: He's well liked. As of Aug. 15 at 1 p.m. Eastern, 38...
