…of the role of Federal laws in State activities. Recall that two New Jersey officials of then-Governor Chris Christie’s (R) administration were convicted in Federal court for

hav[ing] participated in a 2013 scheme to create traffic backups in Fort Lee, NJ, by limiting motorists’ access to the George Washington Bridge that crosses into New York—in retaliation against Fort Lee’s Democratic mayor, Mark Sokolich, for not supporting the re-election bid of Mr Christie, a Republican.

The Supreme Court, unanimously, tossed those convictions. The unanimity of the throwing out is made the more noteworthy by this money quote, by none other than Justice Elena Kagan, who wroteg for the Court:

not every corrupt act by state or local officials is a federal crime.

Think about that for a bit.