CBS News and Knowledge Networks conducted a nationally representative poll of approximately 500 uncommitted voters reacting to the debate in the minutes after it happened.
These figures are still preliminary and could change as more respondents complete the survey. But here's what we have so far:
Forty percent of uncommitted voters who watched the debate tonight thought Barack Obama was the winner. Twenty-two percent thought John McCain won. Thirty-eight percent saw it as a draw.
UPDATE: Focus groups also went for Obama