Let's dive into some citations Kagan used and see what the underlying stuff says.
For fun---because I definitely see a Federalist citation in there and the beauty of the writing is irresistible.
Chiafalo v. Washington, you may actually recall, was a Supreme Court case involving "Faithless Electors" in the 2016 election. (Image: Summary of Facts)
The Court permitted States to penalize the faithless electors.