WASHINGTON (AP) — A Democratic senator from New Jersey is questioning whether Secretary of State Mike Pompeo's trips to Kansas violate federal election laws.

Sen. Robert Menendez sent a letter Tuesday to the independent U.S. Office of Special Counsel seeking a review of Pompeo's four trips to Kansas this year. Pompeo's came last week for events on workforce development with Ivanka Trump.

Fellow Republicans have speculated for months that Pompeo might run for the Senate in Kansas next year. Menendez is suggesting that Pompeo's trips could violate a law against federal employees engaging in poli...