the dow plunking 504 points. the biggest one-day point drop since the marked reopened after 9-11. a string of people losing their jobs. neil: it was the great meltdown and kept melting. the concern was that brokerage houses and exchanges weren t up to the fight to control it. that was then. could something like that happen again even now? with the rocky performance of coin base, the popular exchange used for trading of the hot and popular crypto investments like bit coin and others, growing worries that if it goes down, all of those crypto investors that used it to buy this stuff go down as well. charlie gasparino, what do you make of that? could it happen again? you know, i remember being outside of lehman when they carried the boxes. it was a scary time. what led to the final crisis when lehman imploded and back in