I first met Colombian President Juan Manuel Santos in 1992 when he was Minister of Trade. Appointed as his adviser, I soon realized that he had set himself up to an impossible mission. While ...

You dramatically expanded, by thousands of square miles, areas protected in parks, wildlife sanctuaries, marine reserves, and elsewhere. Why were you so intent on doing that? We are one of the ...

The 2016 pact earned then-President Juan Manuel Santos a Nobel Peace Prize, but neither he nor his successors have fully addressed endemic violence, displacement and inequality — issues that ...