The New York pizza slice became a triumph of the modern food system thanks to one simple innovation.

Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG

Find more from PBS NewsHour at https://www.pbs.org/newshour

PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts

Newsletters: https://www.pbs.org/newshour/subscribe

Advertisement
Code: MADIAOFF8. Coupon code is required.

More videos

MSNBC 20 Oct 2019 01:20 CEST

"Futureface" With Alex Wagner

MSNBC 20 Oct 2019 01:03 CEST

How Bad Is It? with Ezra Klein