Professor Louise Kenny knew she would find herself embedded in a heated debate when she joined the campaign to repeal Ireland's eighth amendment. After all, the change to the Irish constitution would end the country's near-total ban on abortion. What was surprising however was the degree to which fake facts, false stories and foreign opinions infiltrated the discussion. It is increasingly clear there was an organized effort by foreign parties to influence the outcome of a democratic process. But in the end, it didn't work. And the 'Yes' side's success offers a fascinating case study in how to rise above the growing tide of fake news.