CHICAGO, IL - OCTOBER 12:  Demonstrators hold up a piñata of Republican Presidential candidate Donald Trump during a protest outside Trump Tower on October 12, 2015 in Chicago, Illinois.  About 250 demonstrators marched through downtown before holding a rally calling for immigration reform and fair wages in front of Trump Tower. Trump has been an outspoken proponent of a plan to deport undocumented immigrants.  (Photo by Scott Olson/Getty Images)