My exegesis on this story, responding to a Straight Dope article that didn't go far enough, is at http://www.romm.org/prescott.html .

The situation is worse than you make it seem.  In fact the Bush's, starting with Bert Walker in 1924,  had a very close relationship with the Nazi party and Nazi Germany.  Prescott has never fully answered for his association, and Bert's association with the Herrimans worked in his favor.

The relationship the Walker/Bush families had with the Nazis is strikingly parallel to the relationship the Bush family has with the bin Ladens today.  And both are being covered up.  The press is finally realizing the emperor has no clothes.  If Bush Sr. had dealt with this, no one would accuse W. of anything.  But the cover-up of family sins is starting to rise above the radar for many.  And this, to me, is a good thing.