Nothing is more American than going to work after being injured on the job.

In the true spirit of America, Dave Grohl performed on the 4th of July in Washington, DC even though he broke his leg on stage last month. While keeping his purple cast elevated, Grohl sat atop a throne that said, "I'm a rockstar." It was adorned with guitars, speakers, and the Foo Fighters' logo. I mean, just look at how hard he is rocking: