now we add the grana padana. this is completely changing everything i thought about risotto. my risotto does not look like that. be sure to tune in it airs tonight right here on cnn. it is a destination city for many americans. but in 2020 amid the pandemic, san francisco saw a dramatic drop in its population. those working from home decided to make home elsewhere. the exodus as created new opportunities for some longtime residents. reporter: in spite of tony jung s big tech salary in san francisco i felt like i was below middle class, and i had no real financial future in san francisco. reporter: he shared a house with two roommates where his portion of rent was $2,600 a