Jennifer Palmieri: ‘Russian interference and Cambridge Analytica’s efforts played part’ in US election result

When this programme secretly filmed bosses at Cambridge Analytica, they boasted of using Facebook data to help put Donald Trump in the White House. After she had lost to Trump, Hillary Clinton told us she had faced a “massive propaganda campaign”.

So could it have been Cambridge Analytica’s operation that swung the 2016 election? The company says publicly the idea is absurd. Jennifer Palmieri, who was communications director for Hillary Clinton in the presidential race, responds.