The Chicago Blackhawks are wrestling with lessons to learn after giving up 4 goals in the 3rd period of a 6-5 collapse to the Columbus Blue Jackets: ‘Just kind of a bad feeling in all our stomachs’

“A lot of what they generated, particularly in the first two periods, was off us turning the puck over, or we end up taking a penalty after a turnover,” he said. “I thought we did a lot of good things, particularly early, especially in the first 30 minutes.