9 unelected individuals that sit on the Supreme Court bench can undue the work of the Legislative and Executive branches by using the power of Judicial Review by determining a law to be "unconstitutional".
They can also use this power to overturn the will of the people as reflected in a vote if the people pass a law that the Supreme Court determines to be "unconstitutional".
What are some positive and negative aspects of the Supreme Court having the power Judicial Review? Do you think the power of Judicial Review is an important power for the process of "checks and balances"?