In 2014, the Wildensteins thought they’d pulled off the biggest real estate coup in New York. The billionaire art dealing family, whose gallery, Wildenstein & Co. had owned its 21,000-square-foot townhouse on East 64th Street for more than 80 years, signed a deal with the government of Qatar to sell the limestone-clad building for a reported $90 million. Qatar planned to use the building as a consulate, and the Wildensteins, embroiled in a half-billion dollar tax case in France, would ge… (View original article)