For the past three years, ever since the Metropolitan Museum of Art announced that it would take over the Whitney’s Breuer building for at least eight years, there has been endless speculation about<a href="http://www.nytimes.com/2014/11/14/arts/design/mets-first-plans-for-the-whitneys-old-home.html?ref=design&_r=0" rel="nofollow" target="_blank"…