By Clint Fleury, Local Journalism Initiative Reporter, TBnewswatch.com THUNDER BAY – The 22-foot-long and 9-foot-4-inch-tall rare Norval Morrisseau painting, called Morrisseau Masterwork, now welcomes guests as soon as they walk through the front door of the Thunder Bay Art Gallery. The painting has not been seen in 40 years, and those who got a chance to look at it before it was put into storage have only seen it lying on the floor, Meaghan Ele…