Where in the Constitution is it stated that the Supreme Court would have the final say on constitutional stuf?

The law in America is the common law

any court has the duty to try law and fact

This includes each juror- they decide if it is a

lawful(constitutional) and fair lawl

It doesn't. The US Constution is mostly a derivative of European

Common Law. The US Supreme took it upon themselves

to be the the Supreme Arbitrator of the increasingly idiotic

bolier-plate US Constiution back in the early 1800s,

Which is why the idiot U.N. and the neo-Fascist World Economy Gubment even exists today.

And it's why the people with post Davy Crockett

science, engineering, medical mentalities for the 21st Century

even invented the GPS, adaptive PV Cell Arrays, neo Solar Energy, neo Wind Energy, biodiesel, Cruise Missiles, Drones, AAVs, AUVs, laser-guided bombs, Phalanx, RISC Computer Networks,

Post AT&T Fiber Optics, Post Ford batteries, Post GM Robotics,

Post McDonald's Holograms, Optical Computers, C++,

Elibraries, HDTV, CD+rw, DVD->, Blogs, On-Line-Publishing,

All-In-One Printers, XML, and USB. for the ABC/Disney idiots.

The Court's decision in Marbury v. Madison, 5 U.S. (1 Cranch) 137 (1803) established the Court's power of judicial review.

It is a part of the great system of checks and balances.

What other entity would have appropriate authority to rule on the constitutionality of laws?