The Globe and Mail reports that Sam Mitchell has been keeping an even keel lately, amid the Raptors’ uneven performances. Somebody once told me – as I was raising my voice in a team huddle – that you can only feel embarrassed if you choose to feel that way. The observation was astute and memorable but all seasons reach a point when the coach needs to rise above modeling the way and make things better, as soon as possible. Intensity has its time and place. Players’ inner motivation is far more effective than any external forces exerted by the coach. …