DULUTH, Minn.—When people suggest to Kevin Rodlund that his job must be depressing, he disagrees. "It's not sad," Rodlund said. "There's a lot of smiles and jokes up here at Solvay." That would be Solvay Hospice House, a homelike building on wooded property in Duluth Heights where residents may be infants or very old, male or female, rich or poor — but all, at least in the opinion of their doctors, are in the very last stages of life. For the past couple of years, Rodlund has been nurse manager at Solvay, which is celebrating its 10th anniversary.