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.
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Treasury Secretary Janet Yellen on Thursday testified before the House that the government is ready to step in with more help for bank depositors if necessary
The U.S. Department of Health and Human Services has released a plan to overhaul the nation's organ transplant system, which has long been plagued by sometimes lethal delays and IT failures.
California may become the first state in the nation to outlaw caste-based bias, a safeguard people of South Asian descent say is necessary to protect them from discrimination in housing, education and the tech sector where they hold key roles.
Florida Gov. Ron DeSantis ' administration is moving to forbid classroom instruction on sexual orientation and gender identity in all grades, expanding the controversial law critics call “Don't Say Gay” as the Republican governor continues to focus on cultural issues ahead of his expected presidential run.
Lawmakers grilled TikTok CEO Shou Zi Chew on Thursday in a high-stakes hearing on the future of the popular, Chinese-owned video sharing platform in the U.S.
The pay is a driving factor behind a three-day strike that has shut down the entire Los Angeles school system and put a spotlight on the paltry pay of support staff that serves as the backbone of schools nationwide.
Musician Bruce Springsteen, actress Mindy Kaling and designer, Vera Wang were some of the celebrities honored at the White House on Tuesday. President Biden and his wife Dr Jill Biden gave honorees medals. Other honorees included Gladys Knight, Julia Louis Dreyfus and Amy Tan. The medals are Biden's first batch of awards for the arts and humanities. They were delayed by the COVID-19 pandemic.
