A group of conservative street artists hijacked a billboard in Hollywood on Friday morning and displayed an Anti-CNN billboard, which happened to be across the street from the fake news network.The conservative group, known as The Faction, criticized CNN and its president Jeff Zucker for his coverage of this week's summit in Hanoi, Vietnam, between President Donald Trump and North Korean dictator Kim Jong Un.In the billboard that appeared in front of CNN's Hollywood headquarters, the group referred to CNN as "Communist News Network," came up with the phrase...