A painting thought to be by Johannes Vermeer isn’t a Vermeer after all. The 17th-century Dutch master left behind few works, so take even one away and it’s a big deal. New technology is allowing experts to see art in a different way and help make these judgments. Jeffrey Brown reports from the National Gallery of Art in Washington, D.C. This post was produced and edited by Julia Griffin, Tim McPhillips, Kenichi Serino and Dan Cooney. The original report was reported, produced and edited by Jeffr