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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The Supreme Court ruled it would allow the Biden administration to regulate so-called ghost guns, or those untraceable homemade weapons, and also barred two Texas-based manufacturers from selling products that can be turned into ghost guns.
The Commerce Department on Tuesday updated and broadened its export controls to stop China from acquiring advanced computer chips and the equipment to manufacture them.
And in a surprise move, President Joe Biden has joined former President Trump's Truth social platform.
The Supreme Court ruled it would allow the Biden administration to regulate so-called ghost guns, or those untraceable homemade weapons, and also barred two Texas-based manufacturers from selling products that can be turned into ghost guns.
Former President Donald Trump returned to a New York City courtroom Tuesday to watch the civil fraud trial that threatens to disrupt his real estate empire, renewing his claims that the case is a baseless and politically targeted distraction from his 2024 campaign.
Over 30 people were arrested outside of the White House Monday during a protest against the Israel-Hamas war.
President Joe Biden swept into wartime Israel for a 7 1/2-hour visit Wednesday that produced a heaping dose of vocal support and a deal to get limited humanitarian aid into Gaza from Egypt.
The Pentagon has sent “prepare to deploy” orders to about 2,000 U.S. troops to be ready to respond to the Israel-Hamas war, two U.S. officials said on the condition of anonymity to discuss a decision that has not been announced yet.
The head of Israel’s Shin Bet security service has taken responsibility for not warning of the bloody Oct. 7 Hamas rampage that killed over 1,400 Israelis.
Republicans rejected Rep. Jim Jordan for House speaker on a first ballot Tuesday, as an unexpectedly numerous 20 holdouts denied the hard-charging ally of Donald Trump the GOP majority needed to seize the gavel.
