White House press secretary Sean Spicer calls on a reporter during the daily briefing at the White House in Washington, Tuesday, Jan. 24, 2017. Spicer answered questions about the Dakota Pipeline, infrastructure, jobs and other topics. (AP/Susan Walsh)

Trump Imposes Media Blackout At Federal Agencies

Moves come amid growing concern that Trump and his appointees will suppress scientific innovation and research to advance their own ideological agenda.