Full interview with Twitter CFO Ned Segal on Q3 results, Section 230 and more

Twitter stock plunged more than 14% after the company beat analysts' expectations on profit and revenue, but failed to meet on user growth. Twitter grew its total monetizable daily active users by just 1 million people from last quarter to 187 million users, falling shy of analysts' expectations of 195 million mDAUs for the third quarter. Twitter CFO Ned Segal joins "Squawk Box" to discuss the results.