How would past elections go if the electorates had foresight?

[Oldiesfreak1854]

1789: George Washington
1792: George Washington
1796: Thomas Jefferson
1800: Thomas Jefferson
1804: Thomas Jefferson
1808: James Madison
1812: James Madison
1816: James Monroe
1820: James Monroe
1824: Andrew Jackson
1828: Andrew Jackson
1832: Andrew Jackson
1836: William H. Harrison
1840: Martin Van Buren
1844: James K. Polk
1848: Lewis Cass
1852: Winfield Scott
1856: John C. Fremont
1860: Stephen Douglas
1864: George B. McClellan
1868: Ulysses S. Grant
1872: Horace Greeley
1876: Samuel J. Tilden
1880: Winfield S. Hancock
1884: Grover Cleveland
1888: Grover Cleveland
1892: Benjamin Harrison
1896: William McKinley
1900: William Jennings Bryan
1904: Theodore Roosevelt
1908: William Jennings Bryan
1912: Woodrow Wilson
1916: Charles Evans Hughes
1920: James Cox
1924: Calvin Coolidge
1928: Al Smith
1932: Franklin D. Roosevelt
1936: Franklin D. Roosevelt
1940: Franklin D. Roosevelt
1944: Franklin D. Roosevelt
1948: Thomas E. Dewey
1952: Dwight D. Eisenhower
1956: Dwight D. Eisenhower
1960: John F. Kennedy
1964: Lyndon B. Johnson
1968: Hubert Humphrey
1972: George McGovern
1976: Gerald Ford
1980: Ronald Reagan
1984: Ronald Reagan
1988: George H. W. Bush
1992: Bill Clinton
1996: Bill Clinton
2000: Al Gore
2004: John Kerry
2008: Barack Obama
2012: Mitt Romney