JOHN DICKERSON: Ruth, let me - switching to the Democrats - ask you this question. If people blocked the road to an Obama event in 2008, what would the Democratic reaction have been to that, the way they blocked it - the road to the Trump event?



RUTH MARCUS: I think you know the answer to your question. And I'm not - and I'd like to say that I -



DICKERSON: Which is what? Sorry, I hate - people at home don't -



MARCUS: What - which - which - which is - which is, people - people would - Democrats would have been outraged at the notion of people blocking access to Obama events. And I think that actually there is a role for protests, but there also needs to be space. And we've talked about it before with respect to the Black Lives Matter movement and stopping Sanders from speaking. There has to be space for Trump to relay his message, as odious as it is, and there is appropriate space and time for protesters to disagree with that message without squelching it entirely.