What we do every night is we change out the set list as much as we can to make sure that (fans can) go home and tell their friends they experienced something unique and cool.
Music and songs are written at different periods of time, at different times in your life. They reflect the feelings you have and to be honest, I quite like having positive emotions.
I think the recovery hasn't been stronger because the hole that was dug for President Obama by the Bush administration was far worse than anybody could imagine, first of all.