A few football items for a Thursday, while we try to come up with some more sports that can be played on an aircraft carrier: 1. New concussion study: A must-read here, and it’s not good — scientists studying the autopsied brains of four combat veterans found “evidence of a progressive degenerative brain disorder known as chronic traumatic encephalopathy (CTE), a disease found in recent years among deceased professional football players who had suffered multiple concussions.” CTE symptoms include memory loss and suicidal thoughts, and the disorder can lead to dementia, according to the report. Researchers have said CTE likely…