By Erin Banco, Phil Stewart, Gram Slattery and Mike Stone NEW YORK/WASHINGTON - Roughly a week after Donald Trump started his ...

The ability to navigate power dynamics in the White House and sort through competing policy visions is essential.

A hacker breached TeleMessage, a government-approved messaging app used by Trump administration officials, exposing archived ...

President Donald Trump has ousted National Security Adviser Mike Waltz and announced that he will nominate him as the next ...

Smarsh, the Oregon-based owner of TeleMessage, said Monday it was “investigating a potential security incident” and suspended ...

In his recent case for why Donald Trump recaptures a cool factor not seen since (yes) Bill Clinton, a comedian inadvertently ...

Sen. Tammy Duckworth (D-Ill.) said former national security adviser Mike Waltz will face a “brutal, brutal” confirmation ...

The Washington Post reported that Donald Trump soured on Waltz over Waltz's support for an Israeli attack on Iran.

Marco Rubio serving as both Secretary of State and national security adviser could be "ultimately disadvantageous" to President Trump, says former adviser John Bolton.

A clone of the messaging app Signal, which was used by since-ousted national security advisor Mike Waltz, has been hacked.

The comments came in a wide-ranging and at time combative interview with Kristen Walker that aired Sunday on NBC’s “Meet the ...