The list of keynote commencement speakers at Ivy League institutions for 2013 does not include a single conservative, a recent study authored by the conservative Young America’s Foundation (YAF) found. Instead seven of the elite schools opted to invite ideological liberal speakers such as media billionaire Oprah Winfrey, Vice President Joe Biden (D), Newark Mayor Cory Booker (D), Mayor Michael Bloomberg (I), among others. Only Brown University, which chooses a commencement keynote from among its students, did not have a 2013 speaker who is generally associated with the left. YAF spokesman Adam Tragone told Campus Reform on Tuesday the list...