• US President Bill Clinton (R) greets the crowd after giving a speech at a groundbreaking ceremony May 14, 1994, for a Martin Luther King Jr. and Robert F. Kennedy statue at the Martin Luther King Jr. Memorial Park in Indianapolis. (Photo by J. DAVID AKE/AFP via Getty Images)
  • US President George W. Bush makes remarks about the economy after meeting with small business owners on Sept. 5, 2003, in Indianapolis, Indiana. (Photo by STEPHEN JAFFE/AFP via Getty Images)
  • Democratic presidential nominee U.S. Sen. Barack Obama greets people during a campaign rally at American Legion Mall on Oct. 23, 2008, in Indianapolis, Indiana. (Photo by Joe Raedle/Getty Images)
  • Republican presidential candidate Donald Trump speaks to guests and supporters during a rally at the Indiana State Fairgrounds on April 20, 2016 in Indianapolis, Indiana. (Photo by Scott Olson/Getty Images)