Donald Trump's Social Media 'Summit'To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video07/12/2019July 12, 2019Angelo Carusone of Media Matters tells DW's Brent Goff that the White House social media summit is part of an open strategy to prevent platforms like Facebook and Twitter from adopting countermeasures against disinformation and extremism.https://p.dw.com/p/3LxIUAdvertisement