The U.S.-led liberal world order is falling apart, according to the organizers of a gathering of world leaders and defense chiefs in Germany that has met annually since the Cold War.

The Munich Security Conference report said the Trump administration displays an "irritating enthusiasm for strongmen across the globe" and "disdain for international institutions and agreements."

Fresh Air Weekend highlights some of the best interviews and reviews from past weeks, and new program elements specially paced for weekends. Our weekend show emphasizes interviews with writers, filmmakers, actors and musicians, and often includes excerpts from live in-studio concerts. This week:

Updated at 10:14 a.m. ET

The Vatican has defrocked former cardinal Theodore McCarrick, it said Saturday, making him the highest-ranking church official to date to be expelled from the priesthood for sex abuse.

The U.S. effort to distribute tons of food and medicine to needy Venezuelans is more than just a humanitarian mission. The operation is also designed to foment regime change in Venezuela — which is why much of the international aid community wants nothing to do with it.

Humanitarian operations are supposed to be neutral. That's why the International Committee of the Red Cross, United Nations agencies and other relief organizations have refused to collaborate with the U.S. and its allies in the Venezuelan opposition who are trying to force President Nicolás Maduro from power.

Most American automobiles are powered by internal combustion engines: Gas or diesel goes in, tiny explosions power pistons and turn a crankshaft, the car moves forward and carbon dioxide goes out.

But a growing chorus environmental activists, business analysts and auto executives are predicting a sea change, as battery-powered electric vehicles grow in popularity.

Before President Trump even uttered the words "national emergency" on Friday, there was already a lot of talk about legal challenges.

Here's the central question: Is it constitutional for the president to ignore Congress' decision not to give him all the money he wants for a Southern border wall — and, instead, get it through a declaration of a national emergency?

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An end to the Denver teacher strike

Denver teachers returned to the classroom this week after the Denver Classroom Teachers Association and Denver Public Schools reached a tentative labor agreement Thursday morning. Teachers in Denver had been on strike since Monday.