A photo posted by abyrosen (@abyrosen) on Jun 18, 2012 at 9:52pm PDT (Editor’s note: This story first ran on February 1, 2015) In recent weeks, RFR Holding’s Aby Rosen has used his popular Instagram account to hold Donald Trump’s feet to the fire. But well before he asked America to vote its conscience, the investor’s Instagram was the epitome of the high life. German-born real estate mogul Aby Rosen is known for his vast property … [more]