The President is the elegant man who looks very good in the suit, but he definitely needs the casual clothing makeover.
He looks like Urkel X.
There are plenty of traditional and manly designer jeans that would provide the better fit and the better image. Perhaps something from Paper, Denim & Cloth, or Seven for All Mankind, or the Manolo’s current favorite, Earnest Sewn.
Fifteen minutes of trying on the jeans in the presence of the properly-trained male clothier would have saved us from having to talk about this subject.