President Barack Obama on Magazine Cover,The Gist of Freedom, BlogTalkRadio show pays tribute to President Obama's birthday with the speech, we believe, is responsible for giving birth to his presidency. State Senator Barack Obama, delivered the Democratic National Convention's keynote address on Tuesday, July 27, 2004. It was a refreshing, revitalizing and unifying speech. The enthusiastic response from the audience foretold the historic story of Iowa, the overwhelming support they gave him, 4 years later, during his successful run to the White House.