Should police have the right to pull a driver over with no reason?

They basically already have that right, DUI checkpoints, the Border Patrol interior checkpoints, where they are allowed to are stop you for no reason at all. And we have seen in videos if you don't submit to their questions, you're taken out of your car and questioned, and while police move your car (to stop it from block traffic) they can and do search it. Or they claim they didn't see you wearing a seat belt, or were weaving inside your lane, or whatever. Then if you dare exercise your right, they bring out dog, which again in some cases are trained to give false alerts when give the signal, thus giving the police the "right" to search your car.