MusicFIRST really needs to have their heads examined. They’re in a tizzy because, allegedly, Pandora executives have done what executives at companies post-IPO do – cash out some shares.  And since these folks own a lot of shares, that can add up to a lot of money. But what does this have to do with the central question of onerous music royalty rates and the Internet radio industry’s long-term ability to profit in the face of them? Forgive the Econ 101 lecture, MusicFIRST, bu