U.S. Democratic presidential candidate Kamala Harris will join Oprah Winfrey for an online event to rally support in battleground states. The ‘Unite for America’ event aims to register voters and bolster Harris’s campaign in key states like Pennsylvania, Georgia, and Michigan. Various grassroots groups are participating to help raise funds and support. U.S. Democratic presidential candidate Kamala Harris will join Oprah Winfrey for an online event to rally support in battleground states. The ‘Unite for America’ event aims to register voters and bolster Harris’s campaign in key states like Pennsylvania, Georgia, and Michigan. Various grassroots groups are participating to help raise funds and support. Economic Times