The country has become so divided, some scholars say, that leaders of the three branches are often more loyal to their parties than to their institutions.

Justice Sonia Sotomayor wrote a scathing dissent of the court's ruling allowing for people to be deported to "potentially dangerous countries without notice."

The U.S. Supreme Court again sided with President Donald Trump's administration in a legal fight over deporting migrants to countries other than their own, lifting on Thursday limits a judge had imposed to protect eight men who the government sought to send to politically unstable South Sudan.