By Adele Hampton - 09/18/12 05:32 PM EDT
"Look how tiny she's gotten. She's lost weight. She's energetic. Just her spark-plug personality is kind of fun."
The GOP presidential nominee took rapid-fire questions after praising President Obama for being a role model for good parenting and talking about what he enjoys about the campaign trail.
"And I think [the president and I] agree on the importance of family," Romney said.
"I think he’s a fine husband and father and I think the role model for our nation of being a good father is a very good thing. I appreciate that. We’re concerned about schools and healthcare and I think the budget. We go about these things in different ways. We have different approaches to those things."
The interview was tapped last week and aired Tuesday morning.