"And that's what we want people to feel. We do not want any Democrat either in the hall or in the stadium or at home walking away saying, 'Well, you know, I'm just not satisfied, I'm not happy.' Because, I mean, that's what I'm trying to avoid."
The clear challenge for Clinton, Obama, and the DNC is to allow for the Clinton delegates to feel satisfied and energized without undermining the legitimacy of Obama's nomination.
Nick Shapiro, an Obama campaign spokesman, downplayed reports of tension between the two camps.
"Sen. Clinton will play a critical role in this convention and is also playing a critical role in the campaign," Shapiro said. "She has campaigned for Obama, raised money for him and spoken on his behalf on several occasions. We appreciate and look forward to her continued support."
ABC News' John Berman and Sunlen Miller contributed to this report.