Will George W. Bush fall victim to the Zero Factor?

The Zero Factor
1840 - William Henry Harrison
1860 - Abraham Lincoln*
1880 - James A. Garfield*
1900 - William McKinley*
1920 - Warren G. Harding
1940 - Franklin D. Roosevelt
1960 - John.F. Kennedy*
1980 - Ronald Reagan

Seven out of the last eight Presidents that were elected in a year ending with zero starting in 1840 have died in office.

* Four out of the seven were killed by assassins bullets. Only Ronald Reagan in 1980 survived the Zero Factor, although he too was the victim of assassins bullets