Trump 2nd term live updates: Dan Bongino named as deputy FBI director

Elon Musk's DOGE appears to have missed another deadline to provide updates on its "savings" efforts across the U.S. government.

Last week, DOGE initially promised to update its new website with figures by Valentine’s Day. When it missed that deadline, it pushed the update to "over the weekend." Unless DOGE is counting Monday as part of a three-day weekend, it has once again failed to meet its deadline, as the website remains unchanged.

DOGE also announced over 30 DOGE-affiliated agency accounts on X, including DOGE DOJ, DOGE SSA and DOGE NASA -- and are asking users on X to use the affiliated X accounts to submit ideas around "reducing waste, fraud, and abuse, along with any helpful insights or awesome ideas."

-ABC News' Will Steakin

As President Trump nears the end of his first month in office, his administration has attempted to fend off a flood of lawsuits challenging his unilateral effort to reshape the federal government.

With at least 73 lawsuits filed to challenge Trump’s policies, the president has effectively been sued four times for every business day he has occupied the Oval Office, frequently resulting in temporary orders that have stymied his executive actions.

On Monday, U.S. District Court Judge Tanya Chutkan will hold a virtual hearing to potentially resolve the emergency motion by 14 states seeking to block Elon Musk and the Department of Government Efficiency from continuing to overhaul and cut the federal government.

-ABC News' Peter Charalambous and Katherine Faulders

"Several hundred" Federal Aviation Administration employees have received termination notices, according to their union and another source inside the FAA.

David Spero, the national president of the Professional Aviation Safety Specialists, said in a statement that the organization was "troubled and disappointed by the administration's decision to fire FAA probationary employees PASS represents without cause nor based on performance or conduct."

Spero said "several hundred employees" received messages from an "exec order" Microsoft email address -- not an official .gov email address -- from 7 pm ET on Feb. 14.

"These are not nameless, faceless bureaucrats," Spero said. "They are our family, friends and neighbors. They contribute to our communities. Many military veterans are among them. It is shameful to toss aside dedicated public servants who have chosen to work on behalf of their fellow Americans."

"These employees were devoted to their jobs and the safety critical mission of the FAA," Spero continued. "This draconian action will increase the workload and place new responsibilities on a workforce that is already stretched thin."

"This decision did not consider the staffing needs of the FAA, which is already challenged by understaffing," he added.

"Staffing decisions should be based on an individual agency's mission-critical needs," Spero said. "To do otherwise is dangerous when it comes to public safety. And it is especially unconscionable in the aftermath of three deadly aircraft accidents in the past month."

-ABC News' Sam Sweeney

Secretary of State Marco Rubio arrived in Saudi Arabia on Monday ahead of expected U.S.-Russia talks there on ending Moscow's war on Ukraine, though Kyiv's representatives are not expected to take part.

Rubio will be joined by Middle East envoy Steve Witkoff and National Security Adviser Mike Waltz.

Kremlin spokesperson Dmitry Peskov told reporters on Monday that the Russian delegation would include Foreign Minister Sergei Lavrov, President Vladimir Putin's aide Yuri Ushakov and Kirill Dmitriev -- the head of Russia's sovereign wealth fund.

"On Tuesday in Riyadh they will hold a meeting with American counterparts, which will be devoted, first of all, to restoring the entire range of Russian-American relations," Peskov said. The teams will also discuss a potential in-person meeting between Putin and President Donald Trump, Peskov said.

Ukraine is not expected to be represented in the coming round of talks, despite calls from Kyiv and across Europe for President Volodymyr Zelenskyy and his team to play a role.

-ABC News' Joe Simonetti