President of the Republic of Colombia, Juan Manuel Santos Calderón, discusses Colombia's economic advances, as well as new security measures to combat militants and drug warlords.

DONNA HRINAK: Well, good morning, everyone, and welcome -- today's Council on Foreign Relations meeting. I'm Donna Hrinak, and before I introduce our distinguished guest, there are a few administrat…

This is a guest event.

Watch experts discuss current and future U.S.-Cuba relations.

As user-generated content on the internet continues to increase in popularity, the question of who moderates this content comes to the forefront when discussing the future of social media . Dr. Sarah…