Absolutely not - due process applies to many legal concepts that have nothing to do with fundamental rights. read more
The level of review that is applied is what varies -- when looking at fundamental rights, the usual judicial standard is strict scrutiny, whereas something that's just a privilege (such as the suspension of a state-issued driver's license), a far less rigorous standard is used, perhaps a simple rational basis requirement. read more
Judicial review is now well established as a cornerstone of constitutional law. As of September 2017, the United States Supreme Court had held unconstitutional portions or the entirety of some 182 Acts of the U.S. Congress, the most recent in the Supreme Court's June 2017 Matal v. Tam decision striking down a portion of July 1946's Lanham Act. read more