"In a wave of demonstrations reaching from Arizona to Maine, students at dozens of U.S. high schools walked out of class [yesterday] to protest gun violence and honor the victims of last week's deadly shooting in Florida," AP reports.

Why it matters: "The protests spread from school to school as students shared plans for their demonstrations over social media."

Here's how yesterday looked on Snapchat's "Snap Maps," which shows Snaps (videos) from around the world. Photo: Sara Fischer's Snapchat

Peter Hamby, host of Snapchat's "Good Luck America," tweeted:

  • "What America is finally understanding is that young people, teens especially, talk through pictures. Images are the vernacular. They’re so good at this because it’s how they’ve been communicating most of their lives."
  • "We are witnessing a political case study unfold in real time. Everyone in Washington should be paying attention."
A closeup view of South Florida yesterday on "Snap Maps." Photo: Reid Kellam's Snapchat

Go deeper: Details and photos from yesterday's walkouts

Go deeper

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Coronavirus dashboard

Illustration: Aïda Amer/Axios

  1. Politics: McConnell urges White House not to strike stimulus deal before election — Republican senators defend Fauci as Trump escalates attacks.
  2. Health: The next wave is gaining steam.
  3. Education: Schools haven't become hotspots — University of Michigan students ordered to shelter-in-place.
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Biden has huge cash advantage over Trump as Election Day nears

Democratic presidential nominee Joe Biden in Wilmington, Delaware, on Monday. Photo: Drew Angerer/Getty Images

Democratic presidential nominee Joe Biden had $177.3 million in the bank at the end of September, per the latest Federal Election Commission filings.

Why it matters: President Trump's re-election campaign reported having $63.1 million in the bank at the end of last month, as campaigning enters the final stretch ahead of Election Day on Nov. 3.

Court allows North Carolina mail-in ballots deadline extension

An absentee ballot election worker stuffs ballot applications at the Mecklenburg County Board of Elections office in Charlotte, North Carolina, in September. Photo: Logan Cyrus/AFP via Getty Images

North Carolina can accept absentee ballots that are postmarked Nov. 3, Election Day, until Nov. 12, a federal appeals court decided Tuesday in a 12-3 majority ruling.

Why it matters: The 4th Circuit Court of Appeals' ruling against state and national Republican leaders settles a lawsuit brought by a group representing retirees, and it could see scores of additional votes counted in the key battleground state.