2. How far New York’s attorney general is willing to go in taking on President Trump could define his political career.

Eric Schneiderman, above, has taken 100 actions against the White House and congressional Republicans so far, over issues like birth control, environmental rules and the travel ban.

“The biggest threat to New Yorkers right now is the federal government, so we’re responding to it,” Mr. Schneiderman said.

Separately, officials from New York, Philadelphia and San Francisco sued the Pentagon over its failure to report crimes to the nation’s gun background-check database.