harris has been the subject of growing social media attacks dating back to the launch of her campaign in january. it'ssert of like birtherrism, the racist meme promoted for years by donald trump, jr.'s dad. joining me now is jason johnson of the root, and back with me malcolm nance, msnbc contributor and author extraordinaire. >> the attacks on kamala harris are actually not new. it was immediate and thought driven and it was intense. bring tg back, what does that tell you what we can look forward in 2020 whether or not she's a nominee? >> it means a massive disinformation campaign is going to be spread online and they