Join The Washington Post as Vice President Harris holds her first rally with newly minted running mate Minnesota Gov. Tim Walz (D) in Philadelphia. Walz joins a historic ticket featuring the first Black woman selected as a major party’s presidential nominee.

The announcement caps a tumultuous period of American political history, including President Biden’s decision not to seek reelection. With less than 100 days until Election Day, Harris and Walz kick off a nationwide tour across seven battleground states.

Libby Casey anchors live coverage from The Washington Post newsroom with analysis from James Hohmann, and Rhonda Colvin. Tyler Pager and Yasmeen Abutaleb will provide additional reporting.