and visitors. so we're going to see a number of different strategies deployed pushing back against this efforts. >> we already know princeton university has asked students to defer travel. zahra, the executive director of the council on american islamic relations, thank you for joining us. you're looking at live pictures of jfk here in new york city. people continue to protest president trump's executive order that effectively bans refugees from seven countries. it has prompted lawsuits. we'll be joined by one of the leaders of that gruoup a few minutes from now. because today there's harvoni. a revolutionary treatment for the most common type of chronic hepatitis c. harvoni is proven to cure up to 99% of patients... ...who've had no prior treatment. it transformed treatment as the first cure that's...