Two major Republican super PACs are said to be withdrawing cash from the races of the incumbent Representatives Thomas H. Kean Jr. of New Jersey and Mariannette Miller-Meeks of Iowa in an effort to triage the midterm map.

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The court paused a lower-court ruling while it considered the latest move in a monthslong fight over who is entitled to low rates for political ads.

© Tierney L. Cross for The New York Times