Fox News host Rachel Campos-Duffy expressed doubt about Kate Middleton’s cancer because she still has “luscious” hair. “You know, one thing, just as a layperson,” Campos-Duffy told Dr. Mark Siegel on Sunday. “I’m not a doctor like you, Dr. Siegel, but, you know, she said that she’s undergoing some preventative chemotherapy.” “I’m gonna, maybe I’m showing my ignorance, but I saw her luscious, you know, full hair, and I thought, well, that’s not what I think about when I think about chemotherapy,” she insisted. Want more breaking political news? Click for the latest headlines at Raw Story. “So t…