And that takes us straight to abc's jon karl, in another part of the convention floor. He is covering the 42-year-old from wisconsin. Jon? Reporter: His biggest moment. Diane, this is the first... See More
And that takes us straight to abc's jon karl, in another part of the convention floor. He is covering the 42-year-old from wisconsin. Jon? Reporter: His biggest moment. Diane, this is the first generation x-er we've seen on a national ticket. What a journey he's taken here. I first met him not long after he first came to washington as a 22-year-old mail room intern on capitol hill. Six years later, back as a member of congress. Now, on the national ticket. Ryan is something who always seemed to be a guy who is in a hurry. His dad died before he was 16, his grandfather, He wanted to waste no time at all. As for his speech, he has an a-team of republican speech writers helping him out. Two that wrote the speeches george bush gave after september 11th are helping him with this. One of them wrote the speech that sarah palin gave four years ago. Bringing in the a-team. Okay, thank you, jon. We're going to give you fitness training, by the way, for the rest of the campaign. Let's bring in co-anchor of "good morning america," anchor of "this week," george stephanopoulos. What is paul ryan going to do? Talk about the middle class. Last night was shoring up romney's personal unfavorabil unfavorability. Tonight is another thing. Look at this poll. 58% say mitt romney favors the wealthy. 32% say he favors the middle class. They have to turn that around. That's why the theme of ryan's speech is his plan for a stronger middle class. Democrats, of course, will say, that's it going to hurt the middle class. They have a surprise, a surprise coming tomorrow night. It's a listed surprise. And? Everybody here is buzzing about clint eastwood. They think he's going to be on the stage tomorrow night. We do know that he's coming to tampa. Now, remember back in january, he was part of that halftime in america ad for chrysler. A lot of people thought that was helping president obama. A couple of weeks ago, he went to wisconsin, endorsed mitt romney. The campaign is no, sir sayi iing what is surprise is going to be. I think people are hoping it is clint. We know convention rumors. If it's not him -- might be a disappointment. That's right. Okay, thank you, george. And time now to tell you that, of course, george and i
This transcript has been automatically generated and may not be 100% accurate.