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.
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As the standoff between the U.S. and its allies continues with Russia over its possible designs to invade Ukraine, President Biden held a video conference call with European leadership and had 8,500 American troops put on high alert. Jamil Jaffer, a former associate White House counsel for the Bush Administration, joined Cheddar to discuss his views on the escalating crisis in Eastern Europe.
As controversy dogs the run-up to the 2022 Beijing Winter Olympics, China is hiring TikTokers and other social media influencers to promote the nation's history, culture, diplomatic efforts, and current trends.
The Supreme Court has rejected another request to block Texas' strict abortion law. This marks the third time the high court has declined to intervene in challenges to the law that bans abortions after six weeks, well before many women even know they're pregnant. Aziza Ahmed, professor of law at the University of California, Irvine, joined Cheddar News to discuss the impact of the law so far on women seeking abortion services in Texas.
Mayors in cities like Miami and New York City are considering introducing cryptocurrencies as a way to reduce economic inequality. Miami Mayor Francis X. Suarez has even pushed for distributing Bitcoin dividends to the city's inhabitants.
The U.S. will be implementing a vaccine mandate for all people entering through its land borders, removing exemptions for "essential" travelers such as truckers, students, and business people. While the Canadian Trucking Alliance argues that the new, stricter rule might exacerbate ongoing auto supply chain issues, some health experts see the potential for helping curb the ongoing pandemic. Anthony Santella, a professor of health administration at the University of New Haven, joined Cheddar to give his take on the updated border crossing restriction. "We can't just focus on one type of travel. We need to ensure that it's clear and consistent across all types of travel," Santella said.
Will Rhind, CEO of GraniteShares, joins Cheddar News' Closing Bell, where he says he believes the Fed's plans of increasing rates is taking its toll on some of the more speculative stocks and the technology market.
Mona Zhang, states cannabis policy reporter at POLITICO Pro joins Cheddar News to discuss major factors that caused Canada's retail marijuana sales to drop last year.
The January 6 committee has asked Ivanka Trump to give voluntary testimony, saying there's evidence she was in "direct contact" with her father on the day of the capitol insurrection. I's unclear whether she will comply with the invitation, but it marks the first time the House committee has sought testimony from a member of the former president's family. Bradley Moss, national security attorney, joined Cheddar News to discuss what the committee hopes to learn from Ivanka and what the Supreme Court's decision on Trump's Jan. 6 materials means for the investigation.