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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Grant Stark, Director of Research at CapWealth, joins Cheddar News' Closing Bell, where he says that his firm is closely monitoring oil prices amid the geopolitical conflict between Russia and Ukraine, and elaborates on how inflation will continue to be a problem across multiple sectors.
A private prison company plans to run a new pilot program that would place hundreds of migrants caught crossing the U.S.-Mexico border under house arrest. The "home curfew" pilot program is part of "impactful detention reforms," according to a spokesperson for the U.S. Department of Homeland Security. Jacinta Gonzalez, senior campaign organizer with Mijente, joins Cheddar News to discuss.
The U.S. is back in negotiations for a nuclear deal with Iran, years after former President Donald Trump withdrew the country from the Joint Comprehensive Plan of Action (JCPOA), which had been meant to curtail the Middle Eastern nation's nuclear ambitions. Former State Department senior advisor to the George W. Bush and Trump administrations, Christian Whiton, joined Cheddar News Wrap to discuss. “It appears to be very similar to the original JCPOA, which does put some constraints on Iran's nuclear program, but also has sunset provisions, including some that in the original plan were expected to take effect in 2025," he said. "And so, if we just reenter that plan, really it just buys perhaps a few years of slowing down, stopping, whatever you want to say, Iran's nuclear program."
The U.S. has announced the first of what could be multiple levels of sanctions against Russia after Moscow recognized two regions of Ukraine as independent. This comes as Britain imposes sanctions on five Russian banks and two oligarchs, and Germany freezes the Nord Stream gas pipeline. Terrell Star, a foreign affairs reporter at The Atlantic Council, joins from Kyiv to discuss.
Growing tensions in Ukraine might soon be impacting consumers in the United States. With Russia on an invasion footing in the region, gas prices are predicted to go up 10 to 15 cents a gallon in the next coming weeks, according to Robert Sinclair, spokesperson for AAA. Sinclair joined Cheddar to break down what could happen even further. "We've been seeing prices go up, and there's been nothing that's happened to affect supplies," he said. "But it's something known as the fear tax where just the talk of something that might interfere with supplies leads to prices going up speculatively."
The end of 3G is upon us. On Tuesday, AT&T became the first major provider to disable its 3G services, and T-Mobile and Verizon plan to follow suit later this year. The shutdowns are expected to impact millions of vehicles that use 3G networks for updates, remote connection, and certain emergency and convenience features. Lance Ulanoff, the U.S. Editor-in-Chief of TechRadar, joined Cheddar's Closing Bell to discuss the ramifications of the changeover.
A new report shows nearly 240 former officials in Congress, the White House, and regulatory agencies have changed careers to work in the crypto industry.
President Biden unveiled new economic sanctions on Russia for what he called "the beginning of a Russian invasion". This came one day after Putin sent troops into two breakaway regions of eastern Ukraine. Alex Ward, national security reporter for POLITICO, explains what these sanctions might do to the global economy.
U.S. stocks ended today's session sharply lower on the heels of rising geopolitical tensions between Russia and Ukraine. Melissa Brown, Managing Director of Applied Research at Qontigo, joins Cheddar News' Closing Bell to discuss.