How social media will play a big role in the 2020 election

Social media is facing new problems ahead of the 2020 election, as Facebook and Twitter took down 18 accounts between them that were backed by Russia in order to target left-leaning voters. Joanne Lipman, journalist and distinguished journalism fellow at the Institute for Advanced Study in Princeton, and Ed Lee, corporate media reporter for the New York Times, join "Squawk Box" to discuss.