May 16 marks National Pizza Party Day in the United States. Nick’s Pizza Truck, run by a father-son duo in Chicago, gives NewsNation the inside scoop on its pizza-making process — and a slice or two. #Pizza #PizzaPartyDay #Food Start your day with "Morning in America," NewsNation's live three-hour national morning newscast hosted by Markie Martin. Weekdays starting at 6a/5C. #MorningInAmerica NewsNation is your source for fact-based, unbiased news for all Americans. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij