By Brittany Hobson THE CANADIAN PRESS WINNIPEG- A disgraced former high school football coach apologized during a sentencing hearing for the “grief and shame” he caused to the nine students he sexually assaulted. However, the Crown prosecutor is arguing that Kelsey McKay conducted an unrelenting, decade-long campaign of grooming and assaults on teenage boys and a fit sentence is 25 years in prison. McKay provided a brief statement Wednesday at the end of a two-day sentencing hearing in Winnipeg provincial court. In front of a courtroom that included some of his victims and their families, McKay apologized and said he is taking his imprisonment as an opportunity to learn more about himself. “One hundred per cent of the responsibility lies with me,” he said. McKay pleaded guilty to nine counts…