These are the headlines you Need 2 Know.
* **Two Killed in Florida Shooting:**
A 24-year-old gunman opened fire Sunday at a Madden video game competition in Florida, killing two and injuring 11 before turning the gun on himself. The shooter, David Katz, won the tournament in 2017 under the pseudonym "Bread." Police still haven’t determined a motive. For the latest [click here](https://www.cnn.com/2018/08/26/us/jacksonville-madden-shooting/index.html).
* **Remembering McCain:**
The late Arizona Senator died from cancer on Sunday. He was 81. The former Vietnam vet, prisoner of war, and six-term Republican senator was known for collaborating with lawmakers on both sides of the aisle. Here's how Republicans and Democrats are [remembering the former presidential candidate](http://www.time.com/5377616/john-mccain-political-tributes/).
* **Pope Francis Accused of Covering Up Abuse:**
According to an explicit, 11-page letter published Sunday, Pope Francis knew about sex abuse allegations made against ex-Cardinal McCarrick for years. The letter, penned by the Vatican’s former ambassador to the U.S., calls for the Pope's resignation and said he covered up the abuse and even elevated McCarrick's status.
[Read the latest, here](https://www.nbcnews.com/news/world/explosive-letter-claims-pope-francis-helped-cover-cardinal-mccarick-sex-n903936).
* **Hurricane Lane Flooding Ahead:**
The storm drenched Hawaii with more than 46 inches of rain last week, and officials say the worst is over. But Lane is now considered a tropical storm, and forecasters warn that serious flooding is a real possibility. For the latest [click here](https://www.newsweek.com/hurricane-lane-latest-hawaii-storm-warnings-lifted-flooding-still-major-1090945).
Cheddar's Jill Wagner gets into the latest.
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The timeline raised concern among public health experts about an “October surprise" — a vaccine approval driven by political considerations ahead of a presidential election, rather than science.
The House Oversight Committee has subpoenaed Postmaster General Louis DeJoy for records about widespread delays to mail delivery.
NBA all-star Jrue Holiday is working to combat systemic racism by donating his remaining salary. The New Orleans Pelicans guard is working with Resilia, a technology platform, to track his donations and ensure change is really happening.
Facebook said Tuesday that it removed a small network of accounts and pages linked to Russia's Internet Research Agency, the “troll factory" that has used social media accounts to sow political discord in the U.S. since the 2016 presidential election.
House Majority Leader Steny Hoyer confirmed the U.S. House of Representatives will vote in September on the MORE Act, which seeks to decriminalize cannabis and remove it from the Controlled Substances Act
Mayor Bill de Blasio says New York City is delaying sending students back to classrooms in the nation’s largest public school system.
China on Friday introduced export restrictions on artificial intelligence technology, including the type that TikTok uses to choose which videos to spool up to its users.
A Star of David-adorned El Al plane has landed in Abu Dhabi after flying in from Israel, carrying a high-ranking American and Israeli delegation in the first-ever direct commercial passenger flight to the United Arab Emirates.
Cannabis industry advocates say a lack of an embrace from Republicans over legalization could mean missing out on voters come November..
Twitter's vice president of policy and philanthropy in the Americas Jessica Herrera-Flanigan talks to Cheddar about how political buzz on the social media platform has to be earned instead of purchased.
