• President Lyndon Johnson tours damaged buildings in Dunlap, Ind. in April 1965, following the Palm Sunday Tornado. (AP Photo/File)
  • American Vice President and presidential candidate Richard Nixon and his wife Pat Nixon wave to the crowds while sitting on the back of an open top convertible while campaigning in Indianapolis, Indiana, on Sept. 14, 1960. (Photo by O'Halloran/Library of Congress/Interim Archives/Getty Images)
  • US Presidents Gerald Ford giving a press conference in Indianapolis on Oct. 16, 1974. Ford lost the 1976 election campaign to Jimmy Carter, a defeat that historians have attributed to his decision to pardon Nixon for his crimes barely a month after taking office. (Photo by STR/AFP via Getty Images)
  • President Jimmy Carter happily shakes hands with a crowd who showed up to meet him at the airport in South Bend, Indiana, on his arrival for 1977 Notre Dame graduation ceremonies. (Photo by Wally McNamee/CORBIS/Corbis via Getty Images)
  • Indiana, 1976, Ronald Reagan speaking to an audience during his campaign for President in 1976, against Vice-President Gerald Ford - Ford became the nominee and lost to Jimmy Carter. (Photo by Owen Franken/Getty Images)