According to the following text, what is mainly the significance of Barbara Jordan being chosen as a keynote speaker (paragraphs 2-4)?
But there is something different about tonight. There is something special about tonight. What is different? What is special?
I, Barbara Jordan, am a keynote speaker.
A lot of years passed since 1832, and during that time it would have been most unusual for any national political party to ask a Barbara Jordan to deliver a keynote address. But tonight, here I am. And I feel that notwithstanding the past that my presence here is one additional bit of evidence that the American Dream need not forever be deferred.