Twitter founder Jack Dorsey is calling out Mark Zuckerberg. Zuckerberg last week defended Facebook's decision not to ban political ads - in the name of free speech. But Dorsey said in an interview yeseterday that Facebook's paid-for promoted posts are a 'major gap and flaw' in that argument. He also called out Zuckerberg for claiming in the speech that Facebook was created in response to the Iraq war. Yahoo Finance's Julie Hyman discusses with the panel.