Mariah Carey's judge chair has become the hot seat -- "American Idol" ratings are sliding and we've learned producers want Jennifer Lopez ... badly. Would a switch make you watch more? Plus, criminals beware -- Dog and Beth Chapman are back on the hunt ... and call in to explain how their new show is taking bounty hunting to a whole 'nother level. And, Gwyneth Paltrow is on the top of People's "most beautiful woman" list -- but we'll tell you how the list is just a ploy to land big interviews 'til next year's list rolls out.