they're loving life. i'm glad to be back to almost normal. >> rich, that is just amazing. so, is this precision almost personalized medicine, the wave of the future. >> reporter: it really is. you know, i've been talking to oncologists all day. more and more, they're going to be testing people at the start of therapy to understand what makes their tumor tick. and then prescribing drugs specifically for your type of mor. i mean, it gives a lot of people hope for the war on cancer. >> and the drug companies getting behind it. rich, thank you. and coming up, beyonce's baby already making history. take a guess at how. hut! go! here it comes! right on the numbers! boom! get it! spin! oh, nice hands! chest bump. ugh! good job, man. nice! okay, halftime. now, this is my favorite play. oh! i'm wide open. oh, fumble. fumble. don't want to fumble any of these. [ male announcer ] share what you love, with who you love. kellogg's frosted flakes. it's up...