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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According to new research by Twitter, the social media platform algorithm amplifies content from the "political right" rather than those on the left. The company says this data comes as the platform has been taking the time to research the implications of its algorithm and whether or not it has caused any "unknown harm". President and CEO of Media Matters for America Angelo Carusone, joined Cheddar to discuss more.
Jill and Carlo cover the latest developments in the Alec Baldwin prop gun shooting, when vaccines for kids as young as 5 should be approved, new reporting on Facebook and more.
Dana Sussman, deputy executive director at the National Advocates for Pregnant Women, joined Cheddar News to talk about Brittney Poolaw, who was sentenced to four years in state prison for a miscarriage she suffered last year.
Despite Joe Biden having won the state of Virginia in 2021 by 10 points, the race between his fellow Democrat Terry McAuliffe and Donald Trump-endorsed Republican Glenn Youngkin has tightened considerably down to the wire. Dave Levinthal, the deputy Washington bureau chief for Insider, joined Cheddar to give his analysis of the bellwether gubernatorial race in the year before the midterm elections.
Laura Vozzella, local reporter for the Washington Post, joins Cheddar News to discuss the razor-thin edge Democrat Terry McAuliffe has over Republican candidate Glenn Youngkin in the 2021 Virginia gubernatorial election.
A judge has temporarily put on hold United Airlines' unpaid leave policy for workers who claimed either religious or medical exemptions from COVID vaccinations. Six workers filed a suit against the company, calling the policy unreasonable.
President Joe Biden took to the podium to discuss the deal that will keep the Port of Los Angeles open for business 24 hours a day, seven days a week as the nation grapples with supply chain issues.
Members of the House returned to Washington, DC, on Tuesday to vote on a short-term increase of the U.S. debt limit. The temporary measure will allow the federal government to pay its bills until December 3.
