And in reality, what a young man did 40 years (!) ago is not evidence or his character in contrast to how he has lived since.
In addition, great men of history often had character defects such as with the bottle or with women, and their are worse sins:
A proud look, a lying tongue, and hands that shed innocent blood, An heart that deviseth wicked imaginations, feet that be swift in running to mischief, A false witness that speaketh lies, and he that soweth discord among brethren. (Proverbs 6:17-19)
And a fair-minded book seems to be 'Intimate Lives of the Founding Fathers, Thomas Fleming, ...
Uncanny how the media pick and choose what to investigate. The WP invested a lot of time investigating accounts 40 years ago. Yet Hillary Clinton still has Uranium residue on her pants suits.