Harris to visit Delaware in first presidential campaign stop

The video covers an event at the White House honoring NCAA champions, where Kamala Harris is expected to speak following President Biden's announcement that he will not seek re-election and endorses her for the presidency. Harris will visit Wilmington, DE, to meet with campaign staff as she begins her presidential campaign.

What is the significance of the seal mentioned in the text?

Where is Kamala Harris heading today according to her post on X?