These are the headlines you Need2Know:
* **Demonstrators Stop Traffic in Chicago:**
At least 200 people marched down Chicago's Lake Shore Drive on Thursday to protest gun violence. The crowd marched to Wrigley Field before the Cubs game. More than 300 people were killed in Chicago this year – more than any other city in the U.S. For more on this story, [click here](https://www.usatoday.com/story/news/2018/08/02/chicago-protest-rahm-emanuel-wrigley-field-lake-shore-drive/890869002/).
* **The Search for Mollie Tibbetts Continues:**
The University of Iowa student has been missing for two weeks. Tibbetts was last seen in late July at her boyfriend's home in Brooklyn, Iowa. Her parents said they believe their daughter was kidnapped, and they think she is still alive. Tibbetts's family has offered a $172,000 reward. For details, [click here](http://www.chicagotribune.com/news/nationworld/midwest/ct-missing-iowa-student-mollie-tibbetts-20180802-story.html).
* **JUUL Labs Responds to the FDA:**
The largest e-cigarette company in the U.S. responded to concerns Thursday from the FDA that underage teens are abusing the product. JUUL, which produces "flavorful" nicotine pods, acknowledged that teens are using its e-cigarettes, but vowed to address the problem. For the latest, check out [Engadget](https://www.engadget.com/2018/08/02/juul-bluetooth-e-cigs-lock-out-teen-smokers/).
* **Trump Endorses Candidate, Touts Diplomacy Skills:**
President Trump endorsed the Republican Lou Barletta for state Senate on Thursday at a rally in Wilkes-Barre, Penn. Trump quickly changed the subject to diplomacy, citing his dealings with North Korea and asking the crowd, “What ever happened to diplomacy?” For more on the rally, check out the [Washington Post](https://www.washingtonpost.com/politics/in-pennsylvania-trump-tries-to-rally-supporters-behind-gop-senate-candidate/2018/08/02/260175bc-9662-11e8-810c-5fa705927d54_story.html?utm_term=.bf1aad18ce29).
Cheddar's Jill Wagner gets into the latest.
Subscribe to the Need2Know newsletter [here](https://theneed2know.com).
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.