We got word last night that Senator McCain was diagnosed with brain cancer. It appears that his tumor is one classified as a Glioblastoma. Another concern would be that this is a reoccurrence of his melanoma which is know to metastasize to the brain. However reporting last night states it is a GBM. The sad thing is these are very aggressive tumors, mainly because they come from normal brain tissue which allows them to invade and spread into normal brain […]