She sounds totally shocked when he tells her that Hillary's campaign started it all!
Notice how she inserts at the very end of the interview that Hillary never asked for Obama's birth certificate! That actually may be true but the Hillary campaign planted the seeds of doubt of Obama's country of birth into the campaign!
This from an article in 2015
New analysis from the Washington Post removes any doubt that the anti-Obama Birther movement was started in 2007 and 2008 by Hillary Clinton, her campaign, and her Democrat supporters. As Breitbart News reported earlier this month, other left-wing media outlets, like Politico and the Guardian, had already traced the Birther movement back to Democrats and Ms. Clinton.