This is CBS I Am The World.

I'm John Bachelors.

Columbia, Dateline Bogota.

Thousands of anti-government demonstrators march through Columbia's major cities to protest

the economic and social reforms pushed by the government of leftist President Gustavo Petro.

Professor Evan Ellis of the U.S. Army War Colleges here is Strategic Studies Institute.

To help me understand the dynamism of Columbia's politics, just when you thought you could

settle down and say, well, they're part of the pink tide sweeping over all of the Americas.

The former guerrilla Gustavo Petro, a man who has great energy and is charming and is representative

of the intellectual left, he wasn't a violent guerrilla, he was an ideological guerrilla

to my understanding.

He is now President and he believes in symbolism and authority and he also proceeds to make

common cause with others in the region who are left of center or worse.

However, now there's a demonstration against Petro in Bogota.

Professor, I'm going to pause and say, I never understood the Spanish Civil War in the 1930s

because it was the anarchist versus the socialist versus the communist.

I'm certainly not ready to understand Columbia's politics.

Who's demonstrating against Petro?

I thought it was Petro who solved the difficulty of the center right in control.

Now, it's a great question, John.

A little bit of context, of course, as you pointed out yourself, the Colombians have been

very frustrated with the levels of violence and insecurity and corruption, and especially

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