Oh boy. As if Sprint didn’t have enough on its plate. The WSJ is reporting that Sprint is looking to spin off or sell Nextel, which is a clear-cut sign that their $35 billion acquisition is a bona fide disaster. The Nextel network lost roughly 3.4 million subscribers from 2006 to 2007. Their current subscriber base is around 13.2 million, but those close to the matter believe that…