Facebook's new measures on political advertising

Where do you draw the line between freedom of speech and allowing inflammatory language or fake news to go unchecked? In the past that would have been decision for newspapers and broadcasters, even courts. Now in our highly polarised age it is often up to the hugely powerful individuals who run social media. After facing massive criticism over fake news pushed by Russia in the 2016 US election, Facebook is announcing new safeguards which it says will prevent foreign interference in this year's vote in November. (Image: Facebook logo on a keyboard. Credit: Reuters)