Now that Lil' Bush has shuffled off the Presidential coil - or will in a couple of hours, anyway - and heads off into some Dallas burg to write his memoirs and reflect on his two wild and strange terms as Commander in Chief, it seems that the writers of so many protest songs can call off their guns and put their grudges to bed. With an artist-friendly liberal president in Barack Obama, what will come of all the anger and poison that helped so many musicians write protest anthem after protest an