When an encounter goes off the rails, it's natural to ask whose fault it was. But the interview actress/model/Friend of Taylor Cara Delevingne completed this morning with "Good Day Sacramento" was not only so clearly the result of bad behavior on both sides, it's so painful to watch you wonder whose idea this disastrous blind date was.The 22-year-old Delevingne was patched into the show from New York to do publicity for "Paper Towns," the new movie based on a novel by Young Adult writer John Green.