Unfortunately, a Superdelegate is not someone that the Avengers send to a political convention, because that would be kind of awesome. Instead, it’s an undemocratic phenomenon within the Democratic Party that is effectively keeping old school machine politics on life support.
Judicial Review
The independence of the Judicial branch of our Federal government is one of the key checks and balances created by the framers of the Constitution. So long as their only master was the law of the land, including the Constitution, the Federal bench would be able to restrain the potential excesses of the Executive and Legislative branches without being susceptible to the whims and passions of the electorate.