Dell Cameron reports:
An effort by United States lawmakers to prevent government agencies from domestically tracking citizens without a search warrant is facing opposition internally from one of its largest intelligence services.
Republican and Democratic aides familiar with ongoing defense-spending negotiations in Congress say officials at the National Security Agency (NSA) have approached lawmakers charged with its oversight about opposing an amendment that would prevent it from paying companies for location data instead of obtaining a warrant in court.
Read more at Ars Technica.