Lokniti Editors Sanjana Patro and Srilakshmi Nambiar in conversation with Mr. Alejandro Echeverri, on Medellin Colombia’s social urbanism.  The city of Medellin in Colombia was a drug trafficking hub from the late 1960’s till the early 1990s. A contraband economy, paralysis of justice and a mismanagement of the security apparatus led to a rise in…