25th Anniversary of "Black Monday": Ben Stein on the Chances We'll Experience Another Market Collapse

Today marks the day 25 years ago, in 1987, when the stock marketed plummeted, becoming known in history books as Black Monday.

Just to compare the drop to what it would look like present-day, a similar hit would mean a drop of more than 3,000 points in one day.

Famed author and economist Ben Stein joined Happening Now on Friday to talk about how we avoid another such crash and tell Jenna Lee what he believes has changed since then.