In August 8, 1897, Michele Angiolillo, an Italian anarchist, shot Antonio Cánovas del Castillo, the Prime Minister of Spain. Cánovas had dominated Spanish politics for decades, even during periods when he was nominally out of office, helping shore up Spain’s tottering monarchy and its possession of Cuba and the Philippines through torture and wide-scale military ...

What exactly was the extent of Russian meddling in the 2016 election campaign? How widespread was its infiltration of social media? And how much influence did its propaganda have on public opinion and voter behavior? Scholars are only now starting to tackle those questions. But to answer them, academics need data — and getting that ...