SAN FRANCISCO — The political controversy over alleged ties between the White House and a company seeking U.S. government approval for a satellite-terrestrial broadband network serving North America widened Sept. 22, as Republican lawmakers called for a formal probe of the matter.

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Debra Werner is a correspondent for SpaceNews based in San Francisco. Debra earned a bachelor’s degree in communications from the University of California, Berkeley, and a master’s degree in Journalism from Northwestern University. She is a recipient...