There are hats, socks, flags, buttons and, especially, T-shirts. I go to a lot of these rallies. In the middle of it all, I've gotten a little obsessed with this one particular shirt. Miranda ...

Marni Rose McFall is a Newsweek reporter based in London, U.K. Her focus is on internet trends, U.S. politics and popular culture. She has covered fashion, culture, art and music extensively.