[mikece]

> I would personally like to see a federal privacy statute that preempted these various and sometimes inconsistent state and local privacy laws.

It would have to be under the auspices of Interstate Commerce (to be legal under enumerated powers) but even then can Congress override State and local law?

[cguess]

Federal law is supreme, so yes, Congress can overrule any state or local law, and does so automatically if they have laws that disagree.