These are the headlines you Need2Know:
* **Trump Threatens Iran on Twitter:**
President Trump lashed out against Iranian President Hassan Rouhani late Sunday, warning him -- in an all-caps [tweet](https://twitter.com/realDonaldTrump/status/1021234525626609666) -- to "never, ever threaten the United States again or you will suffer the consequences the likes of which few throughout history have ever suffered before." His tweet comes in response to Rouhani's warning to Trump that "war with Iran is the mother of all wars." Read the details on [NPR.](https://www.npr.org/2018/07/23/631454795/trump-to-irans-president-never-ever-threaten-the-u-s-again)
* **Deadly Shooting in Toronto:**
Two people died and a dozen others were wounded in Toronto after a shooter opened fire in a popular neighborhood late Sunday. Neither of the victims has been identified. Authorities say the gunman is also dead, and they are now investigating the motive behind the shooting. Read the latest on [CNN.](https://www.cnn.com/2018/07/22/americas/toronto-restaurant-shooting/index.html)
* **Mourning Boat Accident Victims:**
The 17 victims of the duck boat accident in Missouri were remembered in a service on Sunday near the site of the accident. The memorial came as federal investigators are examining the boat's black box and video footage. Read more at [CBS News.](https://www.cbsnews.com/news/branson-community-mourns-missouri-duck-boat-victims-today-2018-07-22/)
* **Italian Wins the British Open:**
Francesco Molinari claimed the Claret Jug on Sunday, becoming the first Italian to win a major. He outlasted Tiger Woods, Jordan Spieth, Rory McIlroy and others to secure the prize. Read more at [BBC.](https://www.bbc.com/sport/golf/44918313)
Cheddar's Hope King gets into the latest.
Subscribe to the Need2Know newsletter [here.](https://theneed2know.com/)
A new report from CNBC says Instagram recently reached a new milestone -- 2 billion monthly active users. It comes amid a year of controversy for the photo-sharing app and its parent company, Meta. SocialFlow CEO Jim Anderson joins Cheddar News' Closing Bell to discuss.
There is a new way for investors to bet on cannabis - the AdvisorShares Poseidon Dynamic Cannabis ETF targets about 20 of the biggest names in U.S. cannabis. It comes at a time when it's still difficult for investors to access the space. Cheddar News cannabis reporter Chloe Aiello spoke with co-founder and managing director for Poseidon Investment Management, Emily Paxhia.
Victor Li, an economics professor at the Villanova School of Business, joins Cheddar News' Closing Bell, where he discusses the latest Fed decision and the implications it has on the stock market.
After nearly two years of the pandemic, U.S. consumers are ready to spend big this holiday season. However, shoppers may be faced with limited inventory as the U.S. continues to face shortages of key products and extended order backlogs. Per Hong, partner at consulting firm Kearney, joined Cheddar's Opening Bell to discuss the country's path forward.
The U.S. Government is making its first major move toward encouraging nuclear energy in the U.S., as it pushes toward a sustainable future. Scott Waldman, White House reporter for Politico's E&E News joined Cheddar News to break down the developments. "There's definitely an audience for this now since we're looking at the value of nuclear in terms of climate policy," he said, regarding the prospects for bipartisan support.
CEOs of the top U.S. airlines are set to testify in front of a Senate committee Wednesday. Lawmakers will ask airline executives about how they used pandemic-related federal aid, specifically in light of staffing issues and widespread cancellations. Among those expected to participate are the CEOs of American, United, and Southwest Airlines. David Slotnick, Senior Aviation Business Reporter at The Points Guy, joined Cheddar News to discuss.
Carlo and Baker cover the latest data showing the Omicron wave has likely started, Pfizer's Covid pill, Jan. 6 and a box office rescue attempt courtesy of Spider-Man.
