Always looking for something to protest, members of the simply awful Westboro Baptist Church lined up outside of a Foo Fighters concerts in Kansas City, MO Aug. 22. They didn't exactly say what their specific problem was, but they generally hate just about everything, so the Foo Fighters worked for an opportunity to test out their hateful signage. Dave Grohl and company decided not to take it sitting down. Well, they stayed seated, but the band members brought out a rather loud sound system and…