Tonight on PBS News Weekend, President Trump vows retaliation for the killing of two U.S.

soldiers and an American civilian interpreter ambushed in Syria.

Then how tariffs on China are making this holiday season less merry for some shoppers.

And a conversation with Beverly and Derek Joubert about their 40 years captured dazzling images of Africa's wildlife.

There's always an image. I'm still chasing. I don't quite know what it is because I need to be open.

But the images definitely need to be preserving and protecting

wildlife in Africa.

Good evening. I'm John Yang. President Trump is vowing to avenge the deaths of two U.S. soldiers and an American civilian interpreter in Syria.

And U.S. officials tell PBS news, the shooter had ties to ISIS and had infiltrated Syrian security forces.

The Pentagon said the two soldiers, members of the Iowa National Guard and the interpreter,

were ambushed by a lone gunman in the historic city of Palmyra,

about 130 miles northeast of Damascus.

They were taking part in ongoing counterterrorism missions.

The gunman was killed, and according to the U.S. official, he was already under investigation for his ties to ISIS.

Mr. Trump paid tribute to the three as he left the White House this afternoon for the Army-Navy football game.

We mourn the loss.

These are great, three great people, And it's just a terrible thing.

We will retaliate. Thank you very much.

In 2019, during his first term, President Trump said ISIS and Syria had been defeated.

The U.S. kept about 2,000 troops in eastern Syria to clamp down on sleeper cells. Belarus freed more than 100 prisoners after the United States

said it would lift sanctions on the close ally of Russia.

Among those pardoned by Belarusian leader Alexander Lukashenko

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