For many of us who were part of the Clinton campaign, Sen. Barack Obama's appeal was something we understood only in the abstract -- data in polls, faces at a televised rally.
Many of us arrived in Denver reluctantly, feeling like uninvited guests at someone else's party. What the media described as division felt more like defeat.
The setting raised the bar for Obama's speech. The task before him: Explain what change meant and how it would be accomplished while weaving his own biography into the fabric of America's and laying out an appropriate contrast with John McCain.
No one in recent history had attempted this kind of a political conversation with 75,000 people. Barack Obama pulled it off.