Good evening. I'm Amna Nawaz. Jeff Bennett is on assignment. On the news hour tonight.

Ukraine uses U.S. made long-range missiles inside Russia for the first time, while President Biden meets with world leaders at the G20 summit for the last time and tries

to cement his legacy before leaving office.

Donald Trump nominates Dr. Mehmet Oz, a celebrity physician who's been accused of promoting

pseudoscience to head the centers for Medicare and Medicaid services.

And federal workers

brace themselves for President-elect Trump's plans

to overhaul the civil service,

potentially firing a host of government workers

and replacing them with loyalists.

Employees are fearful,

scared for the jobs, for their families,

and many of them are already considering living.

Welcome to the News Hour. A thousand days ago, Russia launched its full-scale invasion of Ukraine.

And today, Ukraine marked that grim milestone with a first, using a long-range American

missile system to hit a target inside Russia.

Also today, Russia released its updated nuclear doctrine that says it could use nuclear weapons

if attacked by a conventionally armed country supported by a nuclear power.

All this as leaders of the G20 nations concluded a summit in Rio de Janeiro.

That is where Nick Schiffrin is covering President Biden's final gathering and Ukraine's strike.

Nick?

Omna, Ukraine fired those long-range missiles known as attackums, the army tactical missile

...