President Trump's push to deploy the National Guard across the U.S. as part of his anti-crime crackdown is being challenged in the courts by several Democrat-run cities that he's targeted.

Why it matters: Upcoming rulings could redefine the line between presidential power and state authority during public safety disputes.

Here's where the legal fights stand in each city Trump has targeted:

Chicago

The latest: Attorneys for Illinois argued Monday the Supreme Court should not overturn lower courts' decisions to temporarily halt National Guard deployment.

State of play: The Trump administration on Friday filed an emergency appeal to the U.S. Supreme Court to allow federalizing troops to Illinois.

Flashback: Federal judge April Perry issued a 14-day Temporary Restraining Order against de

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