Dozens of grassroots groups including Latinas for Harris, Win With Black Men and Republicans for Harris are participating. Win with Black Women campaigns for Black women to win el

The two are meeting in a suburb of Detroit at a virtual event called “Unite for America,” which will featured members of some of the online groups that have coalesced around Ms. Harris.

Both major presidential candidates are making appearances Thursday meant to fire up their core supporters, with Vice President Kamala Harris participating in a livestream with Oprah Winfrey and Donald Trump attending an event with prominent Jewish donors before addressing a gathering of the Israeli-American Council.

Vice President Kamala Harris joined host Oprah Winfrey at a star-studded campaign event in Farmington Hills, Michigan, on Thursday, which was live-streamed across multiple platforms. Why it matters: Harris campaign advisers see the "Unite for America" event that's aimed at getting people to register to vote as a huge opportunity to reach a broad cross-section of persuadable voters.