While some of the finest paintings in the world can be found on display in museums, there are many that reside in private collections, decorating people's homes and offices, available only to the eyes of friends and colleagues. This weekend the Minneapolis Institute of Arts is opening an exhibition of paintings that until this year, have never been seen together in public. They all belong to one Minneapolis native who has a passion - and a talent - for collecting. Minnesota Public Radio's Marianne Combs reports.