??? Artists such as Alice Neel, whose unflinching paintings are among the most powerful portraits of the 20th century, distorted the anatomy of their subjects and used an unusual color palette to express the themes of poverty, despair, and turmoil.??? For more information on Neel, see our Feb. 20, 2009 gallery blog, which includes her 1927 watercolor titled ???Contrasts,??? in which the lifelong s