Opinion | Nikki Haley Has Got Secession All Wrong - The New York Times

The United States was, as Lincoln declared in an echo of Webster, a government of the people, by the people and for the people. The Union was forever. And no state or states, on their own, could decide otherwise. 

In other words, Nikki Haley is wrong, as is anyone else who treats secession and nullification as legitimate features of the American constitutional order. Greg Abbott is also wrong. The United States is not a compact...

https://www.nytimes.com/2024/02/02/opinion/haley-abbott-secession-texas.html

Georgia’s indictment of Trump is a confirmation of states’ rights, a favorite cause of Republicans since Reagan

There is abundant irony in the fact that federalism – championed by Republicans and conservative judges for decades – now has come to haunt the leading Republican for the U.S. presidency. 

And even more ironic is that even if he becomes president again, Donald Trump will not have the authority to pardon himself – if that is even constitutional – or anyone else for the violation of state crimes…

https://theconversation.com/georgias-indictment-of-trump-is-a-confirmation-of-states-rights-a-favorite-cause-of-republicans-since-reagan-210610

‘A Darwinian approach to federalism’: States confront new reality under Trump - POLITICO

State governors are getting more power from Trump, while fearing they lack the federal tools needed to fight the coronavirus crisis.
https://www.politico.com/news/2020/03/31/governors-trump-coronavirus-156875