between births, deaths, and migrations, a new person is added -- it varies, but about every two minutes. >> whoa. whoa. >> no, that's good. that's good for our economy. >> you'd think i would have a few more friends. >> the most popular baby names are returning champions from last year. for boys, it's liam, and for girls olivia. >> liam and olivia are both love low names. >> clearest sign the times are changing -- more americans are smoking marijuana than cigarettes. >> oh, oh, wait. my edible just kicked in. what? >> worst roller coaster ride, the multibillion dollar ups and downs of cryptocurrency. it's been good for people for a lot of years, i'm glad didn't get into it because i obviously would not have been happy at this moment. >> best pocket change -- poet maya angelou appears on a u.s. quarter. >> it's a nice homage to pay to somebody who was a phenomenal