president rafael reif. i want to talk about trump's travel ban. he has restricted people from eight nations. if this band was in place when you were trying to come here, would it have been difficult for you to get here? president reif: probably. partly it would have been difficult, but also it is the mental state. i wanted to come to america because i wanted to be among the felt --t, but i also the attitude today, the way we put tray ourselves -- portray ourselves to the rest of the welcoming.ss perhaps unfriendly. tom cole in this year alone, m.i.t. has filed seven amicus briefs against the travel ban -- alone.is year your name is on those documents. is this personal for your? president reif: yes. i was lucky enough to find a path that led minute education, and i was fortunate enough to be able to come to america and the able to be in an institution that allowed me all of this. there are so many people out there that want to make a difference and want just to do the best they can for the world. i just want

president rafael reif, the rising cost of higher education. t reif: we basically subsidize the education of every single student that comes to m.i.t. tom: and how china is threatening american innovation. how close are we to losing our edge, our privacy to china? -- our primacy to china? president reif: in some areas, we have lost it. tom: that is coming up. ♪ ♪ tom: let's talk for a minute about the cost of education, higher ed. at m.i.t., i figure it's about $60,000 a year. you are quick to point out 9% pay the full amount. i do know there is generous financial aid here, but even at a discount, higher ed, $30,000, $40,000 a year, that is a heavy lift for families, and it seems to be going up. my question is this, where does this price escalation end? how do we end this creep up? president reif: complicated. let's talk about the cost to educate a student here. you use the word "cost," but tuition is what we charge. tuition and0 for another $10,000 for room and board. that is the cost to a student that can afford to pay. that is only for that 9

tom: for five years now, the massachusetts institute of technology has been led by its president, rafael reifars washington politicians underestimate how close america is to losing its global edge in science and technology.

tom: for five years now, the massachusetts institute of technology has been led by its president, rafael reifoliticians , president trump included underestimate how close america , is to losing its global edge in science and technology. president reif: in some areas, we've lost it. tom: we sat down with m.i.t.'s 17th president and discussed the rising cost of education. president reif: we are experimenting with different models to lower the cost of education to make it far more affordable. tom: the impact of the new gop tax plan on m.i.t.'s $15 billion endowment.

-- rafael reif. antigovernment protests have swept across iran. technology is playing a crucial role. , used by app telegram roughly half the population of iran, and instagram appear to be blocked in the country. tara maller is joining us now from washington. tara, tell us what you know now about what the technology is available to these protesters and how the government has responded. tara: this is not really surprising. iran has had a number of social media sites and applications blocked prior to this. facebook and twitter had already been blocked in various forms. they have restricted access in the past. what we are hearing now, in addition to what was previously blocked, there has been an additional block put on the ceo -- put on. the ceo of telegram said that the app had been blocked. there are potential internet shutdowns in potential -- in parts of the country as well. the iranian government taking on a higher form of censorship now as they are trying to crush any form of dissent across the country. emily: i am recalling the use of twitter