Nick Miller, left, and his sister Kendall Miller, center, from San Francisco, wear leotards in the colors of the United States national flag as they walk with a friend through Olympic Park at the 2012 Summer Olympics, in London. Patriotism and the games have always gone together, but gone are the days when one just waved a flag. Now flags are worn, seen all over London and especially at Olympic Park and other spots where the games are being played. (Associated Press)

Photo by: Ben Curtis

Nick Miller, left, and his sister Kendall Miller, center, from San Francisco, wear leotards in the colors of the United States national flag as they walk with a friend through Olympic Park at the 2012 Summer Olympics, in London. Patriotism and the games have always gone together, but gone are the days when one just waved a flag. Now flags are worn, seen all over London and especially at Olympic Park and other spots where the games are being played. (Associated Press)