Russia’s tactics in the U.S. leading up to the 2016 presidential election constituted a novel form of warfare: a political entity was attacked. Russian nationals were mobilized on the streets to fuel unrest. Politics and social divisions were aggravated. The blueprint, it turns out, was hiding in plain sight. The dry run happened more than a decade ago in a tiny country most Americans couldn’t place on a map: Estonia. It’s an unexplored chapter in one of the most consequential stories of our time. THE WEEKLY travels to Estonia to expose the warnings we missed, shedding light on what really happened in 2016. (Episode 18 of 30)