The Neue Galerie New York will feature a major exhibition featuring roughly 500 works from Ronald S. Lauder will be on view through March 20.    The exhibition provides unique insight into what marketers call one of the finest private collections in the world. Visitors will be introduced the mindset of a lifelong connoisseur of art whose forward-thinking vision laid the groundwork for the museum.   Developed over the course of 65 years, the Lauder Collection is defined by a dedic...