Students helped grow initial protests into a national movement crushed by the government. As the new semester began, they chanted and marched again.

The blizzard warnings are the first since 2017 for New York City. Forecasters said the city is expected to get up to 18 inches of snow, with two feet possible.

A key statute was designed to rein in the Homeland Security secretary and prevent deadly mistakes. Lawyers say its provisions are difficult to enforce.