Sen. Mark Kelly is suing the Pentagon. Legal experts say veterans' rights are at stake.

Sen. Mark Kelly said his lawsuit is about fighting back on the Pentagon's crackdown on speech.

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• Senator Mark Kelly sued Defense Secretary Pete Hegseth over the Pentagon's speech crackdown.
• Kelly's lawsuit challenges Pentagon actions targeting retirees' political speech and benefits.
• Legal experts warn the case could impact First Amendment rights for retired US military personnel.

A new lawsuit from a Democratic senator and combat...