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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Toby Fricker, the chief of communications for UNICEF, joined Cheddar News to discuss the humanitarian crisis in Ukraine as the Russian invasion continues, displacing at least five million refugees from their home country. "The situation for children is horrific when you have to leave your home. I mean, that's traumatic for any child anywhere, but being forced to run for your life literally is really horrific to think about that," he said.
Laurence Tribe, a professor of constitutional law at Harvard University, joined Cheddar News to talk about the legal underpinnings of the ruling to lift the federal travel mask mandate. "Judge Mizelle decided that she would issue a nationwide injunction, which she and other conservatives have criticized in the past," he said. "That didn't stop her from doing it this time. She did it by just wiping away the CDC's rule, and she did it, have to say, in an opinion that was, well, I'll be honest, really stupid."
Marijuana legalization has spread across the country in recent years, and the number of Americans in support of legalization is at an all-time high. Andrew Bowden, CEO of the premium cannabis brand Item 9 Labs, joined Cheddar to break down the inner workings of the industry and how the industry can grow from here.
After a nationwide mask mandate for travel was struck down by a federal judge, Dr. Sampson Davis, an ER physician and bestselling author, joined Cheddar News to talk about the ramifications. "We are at a place where we are going to have to wait and see, unfortunately," he said. "The good news is that we're coming off a celebration of spring break, Easter, Passover, and we'll see what happens. But right now I'm not seeing a spike and people come into the hospital are truly sick. However, I'm still seeing people test positive for COVID."
Chris Vecchio, senior strategist at DailyFX, says the James Bullard and the Fed's bark may be louder than its bite when it comes to potential rate hikes in May. Investors brushed off any causes for concerns during Tuesday's session, which led to stocks ending the day sharply higher.
Catching you up on what you need to know on April 19, 2022, with a federal judge voiding mask mandates on public transportation, updates from the Russia and Ukraine war, Mac Miller’s drug dealer sentenced for involvement in the rapper's death, and more.
A federal judge’s decision to strike down a national mask mandate was met with cheers on some airplanes but also concern about whether it’s really time to end the order sparked by the COVID-19 pandemic.