[Rightwing Conspiratr1]

Liberals claimed George Bush invaded Iraq because Saddam tried to assassinate his father.

That was indeed one of the 14 or so reasons (quoted from the resolution): "Whereas the current Iraqi regime has demonstrated its continuing hostility toward, and willingness to attack, the United States, including by attempting in 1993 to assassinate former President Bush and by firing on many thousands of occasions on United States and Coalition Armed Forces engaged in enforcing the resolutions of the United Nations Security Council;"

[Kaslin]

This is very informative

A Brief History of a Long War (Iraq, 1990-2003)