An Oklahoma law requiring women seeking abortions to undergo ultrasound exams and doctors to show and describe the images to the women has also beenstruckdown: opponents argued it was unconstitutional because it applied only to abortions and not to other procedures.
The fact that it has not yet beenstruckdown by the courts says more about the current state of human-rights legislation in Britain than the merits of the issue.
Obama seems to have been trying to make the accurate observation that since the '30s the court has not struckdown a federal law that applies to economic activity on the ground that it exceeds Congress's Commerce Clause authority.
There has also been speculation that the Paris-bound flight was struck by lightning, but that should not bring down a modern airliner, former Airbus pilot John Wiley told CNN.