At the heart of the Trump administration’s Signal scandal lies the familiar psychological pitfall of groupthink ...

A judge ordered the Signal group chat members who discussed military strikes before and during their execution to keep those ...

Welcome to the online version of From the Politics Desk, an evening newsletter that brings you the NBC News Politics team’s ...

John Ratcliffe fell apart when asked in a Senate hearing why America’s CIA director couldn’t spot a reporter in his text ...

As Washington sorts out the breach, Dakota News Now has learned of the extensive security training a US government and staff member receives from South Dakotan Nikki Gronli.

U.S. Senator Roger Wicker, the Republican chairman of the Senate Armed Services Committee, told reporters at the Capitol he and Senator Jack Reed had agreed to request an expedited Inspector General ...

Bacon says his primary concern is U.S. adversaries who were likely monitoring devices.

Robby Soave and Marianne Williamson react to some funny memes circulating on media platforms and the legality behind the ...

Here’s what to know about the protocol for government officials to communicate sensitive and classified information.

US Senate Minority leader Chuck Schumer says leak is among the ‘most stunning’ intelligence breaches he has seen.

Top congressional Democrats and former U.S. national security officials raised alarm bells on Monday over the Trump administration’s handling of highly classified information after Jeffrey Goldberg, ...

Former Democratic presidential candidate Hillary Clinton shared her surprise Monday about a report from The Atlantic’s editor ...