Sen. Wyden says AT&T, Verizon, and T-Mobile failed to create systems for notifying about surveillance on Senate-issued devices, despite a requirement to do so (Alfred Ng/Politico)

Alfred Ng / Politico:
Sen. Wyden says AT&T, Verizon, and T-Mobile failed to create systems for notifying about surveillance on Senate-issued devices, despite a requirement to do so  —  Sen. Ron Wyden (D-Ore.) revealed in a new letter to Senate colleagues Wednesday that AT&T, Verizon and T-Mobile failed …