>> we are all still learning how to interact. >> we shouldn't panic across the board about it. new is always different and scary. but, you know, there are traditional media outlets serving up what people would call fake or misleading information. is this so different? changing votes or warping the country. it's bad and poisonous to tweet mean things about people. but i don't know this is responsible for trump being our president. >> it is sending us more into our own corners. president for years told his fans not to believe his mainstream media. they are likely to believe the folks invited to the summit. the left information pool and the right's information pool are becoming so separate from each other. it feels like it has long-term consequences for democracy. >> and i agree. there is an understanding we're not even arguing about the same basic facts any more. and understanding how this country works or what this country is supposed to do. when we're not starting from,