This spring has been slow in coming. In northern Minnesota, we’re between 14 and 20 days behind median ice out, and it’s wearing a little thin on the nerves. This week some of the bigger lakes in the Boundary Waters Canoe Area Wilderness finally started to go out, so with that in mind, Jeffrey and Michelle Forseth of Sea Kayak Safety and I went to paddle on Brule Lake. The put-in was completely ice free and it was 50°F, so we figured that we were golden, but as we paddled east along the shore, we started to run into ice and soon ice coated as far as we could see,…