Jerrold Nadler actually said...

You must implement 100 percent scanning as quickly as practicable within 5 years.

I am concerned that DHS simply decided it did not agree with the law and has never made any good faith effort to resolve the potential chall...

The goal of 100 percent scanning is the right goal?

That is a decision that Congress made. It is the law. It is not up to the department to change that view.