Islamic law (Sharia law) is not compatible with the U.S. Constitution.

Over a decade ago, I warned about the fundamental incompatibility between Sharia law and our Constitution. I even wrote a national best selling book, The Field of Fight: How We Can Win the Global War Against Radical Islam and Its Allies.

Today, as this topic trends again, my message remains the same and has remained very consistent.

No religious legal system can supersede or coexist with the supreme law of our land (our U.S. Constitution).

People need to grasp that Radical Islam is not primarily about religion—it is about politics. Sharia is the basic legal system derived from the religious precepts of Islam, mainly the Koran and the hadiths (supposedly verbatim quotes of what the Prophet Muhammad said during his life).

In its strictest definition, Sharia is considered the infallible law of God. They want to impose a worldwide system based on their version of Sharia law that denies freedoms of conscience, choices, and liberties. Basic ...