I can't decide on an event that would have been a rational decision at one time but now is considered to be an irrational decision. I have been looking at the different wars but still don't see it.
2 answers
The second Iraq war seemed logical to a lot of people at the time. President George W. Bush said he had information that Iraq had weapons of mass destruction. Congress believed that was cause enough to go to war. However, no traces of such weapons ever were found -- yet we were left with a mess there.
impact of decision making