They need to go back before Kavanaugh was in the Bush Administration, but they won’t. https://www.americanthinker.com/blog/2018/08/wapo_calls_facts_of_vince_foster_and_kavanaugh_newsworthy_then_distorts_and_omits_facts.html
The DemonRats who have already decided to vote against the nominee can ask him pretty much anything in the hearing.
And this is just The Hill trying in their usual slanted way to make a big deal out of a non-issue.
As stated by a prior poster in Obongo's own words: "Elections have consequences."
Judicial nomination is one of the greatest powers bestowed upon an elected President.