‘Ghost Guns’: What They Are and Why There Has Been a Fight Over Them

A rule regulating the firearm kits was a centerpiece of President Joseph R. Biden Jr.’s gun control initiative. The Supreme Court has upheld the regulation, issued in 2022.

Senate Democrats Seek Answers on Firing of Justice Dept. Official

After a disagreement about giving gun rights back to the actor Mel Gibson, a pardon attorney was fired. Senate Democrats are asking for details, including records or emails, that relate to the decision.

Why Elon Musk and Tesla Have a Legal Bone to Pick With Wisconsin

As the billionaire and his allied groups pour more than $20 million into a race for the state’s top court, his car company is suing Wisconsin over a law restricting vehicle sales.

Federal Judge Blocks Trump’s Push to Shut Down Radio Free Europe

The judge’s temporary restraining order will allow the federally funded broadcaster to stay open at least until March 28.

After the Signal Leak, How Well Do You Know Your Own Group Chats?

A journalist’s inclusion in a national security discussion served as a reminder that you might not know every number in the chat — and that could be a big problem.

Trump Signs Executive Order Requiring Proof of Citizenship to Vote in Elections

Administration officials cited cracking down on immigrants illegally on voter rolls as one of the executive order’s main goals, amplifying Mr. Trump’s grievances about electoral integrity.