David Gergen , Michael Zuckerman : Romney appears to have an edge in GOP contest . They say the question is how well he would fare in a race against Barack Obama . Romney wound up as the opening act for Chris Christie in a New Hampshire appearance . Comment: So even if Romney is on the glide path to the nomination , he still has a lot more work to do . Romney needs to show he can be the headliner .
David Gergen , Michael Zuckerman : Romney appears to have an edge in GOP contest . They say the question is how well he would fare in a race against Barack Obama . Romney wound up as the opening act for Chris Christie in a New Hampshire appearance . Comment: Romney needs to show he can be the headliner .