the intangible factor, i'm not going to get -- >> jeremy siegel, we love you. simple deregulation helps. >>> when we come back, why one former ambassador says youtube isn't doing enough to crack down on extremiston ctent he will join us with his proof, next hey, i've got the trend analysis. hey. hi. hi. you guys going to the company picnic this weekend? picnics are delightful. oh, wish we could. but we're stuck here catching up on claims. but we just compared historical claims to coverages. but we have those new audits. my natural language api can help us score those by noon. great. see you guys there. we would not miss it. watson, you gotta learn how to take a hint. i love to learn. >>> welcome back, everybody. technology giants are milleni millenialing to purge extremist content from their platforms it remains largely unproven and in some cases it seems like it's getting worse. joining us for more on cyber terrorism is mark gins berg. he's the former ambassador to morocco and former white house middle east advisor. ambassador, thanks for being here today. >>

. >> but how long will double run continue #we talked to professor jeremy siegel and bill or where --nvestor howard marks. marx, reached caution in a conversation with erik schatzker. >> the time to sound the warning is when everybody is making a lot of money, it makes that -- it means that the market is going up and enthusiasm is incorporated in pricing and behavior. you cannot sound a warning after the thing has turned over and died, so, i think that we see there are in which lots of uncertainties, prospective returns are low, asset prices are high, and didn't ball are engaging in risky behavior. >> that is the kind of climate in which we should take a hard look at what we're doing, and i think, reduce risk. >> you have wronged the alarm wells before, in 2000, as well as in 2000 five, which as you yourself has acknowledged, was a bit early. >> right. . >> does that needs to reduce risk feel more urgent to you now than it does then #>> in 2000, my comment was not about the stock market, it was about the tech stocks. they really looked offbeat in those days, so it was more urgent than

wharton professor jeremy siegel and billionaire investor howard marks expressed differing opinions weektion in a conversation with erik schatzker. >> the time to sound the warning is when everybody is making a lot of money, it means that the market is going up and enthusiasm is incorporated in prices and behavior. you cannot sound a warning after the thing has turned over and died. so, i think that we see a market in which there are lots of uncertainties, prospective returns are low, asset prices are high and people are engaging in risky behavior. that is the kind of climate in which we should take a hard look at what we're doing, and i think, reduce risk. erik: you have rung the alarm bell before. in 2000, a very timely ringing of the bell, as well as in 2005, which as you yourself has acknowledged, was a bit early. >> right. erik: does it feel more urgent to you now than it did then? >> it was about the tech stocks and another was much more urgent than today. they really looked offbeat in those days. 2005, it was not quite that urgent but the market had another two years to run at whi

. >> we have jeremy siegel on. we have not seen him in a while. he's feeling well.e's at wharton, obviously he's been a steadfast bull talking about 22,000 for a long time now you know what's after 22,000, according to jeremy, 23,000 could be after 22,000 >> 23 comes after 22 >> yeah. and you know what's after 23 25 -- no, 24 a wharton guy. we'll see how much of -- he's kind of, i don't know. he's a wharton guy, but i doubt if he's a trump guy. looking through the notes, he's not. he won't give much credit to wharton's most famous aloom nye alumni he said back in may that if trump resigned tomorrow, that the dow would go up 1,000 points i think the dow is up since then about 2,000 points i guess that's what he meant it would only go up 1,000 if he resigned -- that's not what he meant. being here is amazing. it grinds a lot of people, doesn't it it was supposed to go down 5,000. it didn't. they've been fighting it the whole way up it kills them, even though it's probably a good thing, at least for rich people. that's what we're hearing now. it's not good for everyone