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/)
Sabrina Siddiqui, National Politics Reporter at The Wall Street Journal, joins to break down the SNAP funding delays and the human cost of the ongoing shutdown.
Arguments at the Supreme Court have concluded for the day as the justices consider President Donald Trump's sweeping unilateral tariffs in a trillion-dollar test of executive power.
President Donald Trump said he has decided to lower his combined tariff rates on imports of Chinese goods to 47% after talks with Chinese leader Xi Jinping on curbing fentanyl trafficking.
The Federal Reserve cut its key interest rate Wednesday for a second time this year as it seeks to shore up economic growth and hiring even as inflation stays elevated. The move comes amid a fraught time for the central bank, with hiring sluggish and yet inflation stuck above the Fed’s 2% target. Compounding its challenges, the central bank is navigating without much of the economic data it typically relies on from the government. The Fed has signaled it may reduce its key rate again in December but the data drought raises the uncertainty around its next moves. Fed Chair Jerome Powell told reporters that there were “strongly differing views” at the central bank's policy meeting about to proceed going forward.
U.S. and Chinese officials say a trade deal between the world’s two largest economies is drawing closer. The sides have reached an initial consensus for President Donald Trump and Chinese leader Xi Jinping to aim to finalize during their high-stakes meeting Thursday in South Korea. Any agreement would be a relief to international markets. Trump's treasury secretary says discussions with China yielded preliminary agreements to stop the precursor chemicals for fentanyl from coming into the United States. Scott Bessent also says Beijing would make “substantial” purchases of soybean and other agricultural products while putting off export controls on rare earth elements needed for advanced technologies.
