This confuses me. Joe Biden daughter was arrested in 2002 on a misdemeanor charge of obstructing a police officer outside a Chicago bar.
http://articles.latimes.com/2002/aug/04/nation/na-briefs4.1
Under the same logic of the author, this is an indication that he is a poor parent and should have resigned in 2002 to stay at home and focus on his parental duties. I don’t see any indications that his candidate Biden did that.