This isn't really a protest sign, but it still could probably be placed here.
Not showing
Don't know what to do. I checked in Chrome and Firefox, and it shows up in both(I'm not logged in to Facebook(where I found the photo on a friend's wall) on Firefox in case that was it). The photo shows a Romney/Ryan hat with a "Made in China" tag, while an Obama hat has a tag that says "Made in the U.S.A."