Although he's made himself toxic wherever he's worked, CNN probably would be wise to make itself the next waystop in Keith Olbermann's checkered career. The slot currently occupied by the network's failed and flailing Parker Spitzer would be perfect for the oft-bombastic Olbermann, who could resume competing against The O'Reilly Factor and now Lawrence O'Donnell in MSNBC's 8 p.m. ET hour...