American Realist portraitist Amy Sherald showed Anderson Cooper her evocative "Ecclesia," a triptych that is much larger in scale than earlier paintings.

Amy Sherald spent years painting in obscurity, and almost died from a rare heart condition. Now 52, the artist behind Michelle Obama's official portrait is one of America's most…

American Realist portraitist Amy Sherald showed Anderson Cooper her evocative "Ecclesia," a triptych that is much larger in scale than earlier paintings.