Trump 2nd term updates: Trump excludes low-value shipments from looming tariffs

At 11 a.m. ET, President Donald Trump is holding the first meeting of his Cabinet since his inauguration.

The room will be field with officials confirmed by the Senate to lead key agencies but also Elon Musk, who is not a Cabinet member but has garnered a high status in the administration as a "special government employee" overseeing DOGE.

The meeting comes after senior White House officials were initially caught off guard by a Musk directive that federal employees email details of their work, ABC News reported. The directive also created tension with Cabinet heads, as some agency heads told employees not to respond until they were briefed on the situation themselves.

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President Donald Trump posted on his social media platform a threat to sue journalists who use "anonymous" sourcing in their reporting.

Trump aired frustration with books and stories being published "with the so-called 'anonymous,' or 'off the record,' quotes."

He continued, "At some point I am going to sue some of these dishonest authors and book publishers, or even media in general, to find out whether or not these 'anonymous sources' even exist."

Trump said he might even enact a law against anonymous sourcing.

"They are made up, defamatory fiction, and a big price should be paid for this blatant dishonesty. I'll do it as a service to our Country. Who knows, maybe we will create some NICE NEW LAW!!!" he wrote.

-ABC News' Hannah Demissie

While in the Oval Office on Tuesday afternoon, President Donald Trump signed an executive order that aims to make health care prices more transparent.

Health and Human Services Secretary RFK Jr. was with Trump in the Oval Office but did not give remarks.

According to a fact sheet provided by the White House, the order directs the Treasury, Labor, and Health and Human Services departments to enforce price transparency regulations.

The EO intends to eliminate “estimates” and make prices comparable across hospitals and insurers. It also requires the departments to update their enforcement policies to hold hospitals and insurers compliant.

-ABC News' Kelsey Walsh

As the Trump administration faces an 11:59 p.m. deadline Wednesday to repay nonprofit organizations millions for foreign aid they have already completed, lawyers with the Department of Justice filed a notice of appeal in federal court in Washington.

The filing signals its intention to challenge Tuesday's court ruling that determined the Trump administration violated a court order blocking Trump's attempt to freeze foreign aid for 90 days.

-ABC News' Peter Charalambous