Audiences usually respond warmly to her. “She’s a very genuine person,” says the actress America Ferrera, who has joined Chelsea on the campaign trail. And “it is very hard to give her a question she can’t answer.” Though Chelsea has swayed more than a few voters, some have come away unconvinced. “She did a good job of conveying her mom’s message,” says Nicky Adamson, a student who saw Chelsea last month at Stanford University and ended up voting for Mr Obama. “But the average college student can’t relate to her, because she seems so intellectual.”