Mitt and Ann Romney sat for an interview with Fox News that aired this morning (video after the jump). Here are some nuggets of interesting material: When asked if he's intimidated by the big crowds and book sales Sarah Palin drew on her "Going Rogue" tour, as he prepares to embark on his own in March to promote his upcoming book, "No Apology: The Case for American Greatness", the former governor says he's not: "Oh no, not at all, it's great--that's terrific news. I'm glad to see people are buying books from conservatives." (VIDEO AT LINK) More on Palin: "She...