> any of 700 district judges could unilaterally block the president from exceeding his authority Not at all. Whether or not the president is exceeding their a

> any of 700 district judges could unilaterally block the president from exceeding his authority Not at all. Whether or not the president is exceeding their authority, a judge could block it nationally. It's not like lower court rulings haven't been overturned before. And the bigger issue is "judge shopping". Want to block something nationally? Just find 1 of 700 judges who will rule the way you want, and file in that district.