Doomed to live history?

There's an old expression "Those who cannot remember the past are condemned to repeat it".  What about the future?  If you knew the future, would you live it the way it was supposed to be lived or would you try to change it?
That's the twist on this short story.  Enjoy.

D-Day: Order of the day

Click to enlarge. 
Also visit www.dday.org, the National D-Day Memorial in Bedford, VA
'nuf said.