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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Jill and Carlo discuss the scenes of joy at American airports as borders reopen, another tool in the Covid toolbox, the latest in the Astroworld crowd crush tragedy and more.
Frank Lee, Managing Director at Miracle Mile Advisors, joins Cheddar News' Closing Bell, where he explains why markets are soaring after the Dow, S&P, Nasdaq, and the Russell 2000 all reached new record closes to begin the trading week.
The Biden Administration's mandate for COVID vaccinations by large employers has been put on hold by federal courts as GOP-led states and some businesses push back on the order's legality. Jonathan Adler, a law professor at Case Western Reserve University, joined Cheddar to discuss the legal challenges to implementing such mandates through OSHA (Occupational Safety and Health Administration). "Certainly expanding vaccinations is a good thing, and as vaccination rates go up that's better for all of us," Adler said. "But there are some legal questions about whether or not it's appropriate to use a law about occupational safety and health as the means to do that."
The Biden administration is giving businesses a deadline to implement a vaccination mandate, saying companies can take until after the holiday season. Andew Noymer, Associate Professor of Population Health and Disease Prevention at the University of California, Irvine, joined Cheddar to discuss.
Jacob Rubashkin, reporter and analyst at Inside Elections, joined Cheddar to discuss Republicans' wins on election night and what they mean for Democrats going forward.
James Astill, Washington Bureau Chief at The Economist, joins Cheddar News to discuss the latest issue, 'ONE YEAR ON: The calamity facing Joe Biden and the Democrats.'
Elon Musk asked Twitter if he should sell about $20 billion worth of his Tesla stock and about 58 percent of those who answered said yes. The Tesla CEO pledged to abide by the results of the poll, whichever way it went. Arun Sundararajan, NYU Stern professor & author of "The Sharing Economy: The End of Employment and the Rise of Crowd-Based Capitalism," joined Cheddar to discuss what the Twitter poll says about America's attitude towards billionaires and the nation's tax system.
Dr. Nasia Safdar, Doctor at UW Madison, joined Wake Up With Cheddar to discuss the implications of Merck sharing its antiviral pill, which has been shown in early trials to cut hospitalizations and deaths by half, with poorer nations around the globe.
The Federal Reserve finally announced its taper plan on Wednesday saying that it planned to scale back on bond purchases as growth slows, and would not rush to raise interest rates. Ross Mayfield, Investment Strategy Analyst at Baird spoke on whether or not a decrease in inflation could be in the country’s future amidst comments made by Fed chairman Jerome Powell. Baird also broke down ADP jobs numbers ahead of the Labor Department's October jobs report.
