The Poor Man: My! Such A Silly Series Of Entirely Inadvertent Accidental Exculpatory Evidence-Erasing Mistakes!

"What a silly series of time travel screw-ups have prevented us from seeing the exact files which would have conclusively proven the President's complete innocence!"

I just talking about how I needed a time machine the other day...
and I wouldn't even use mine to get the president off the hook...
c'mon time machine people, get in touch!