November 21, 2012 12:22 pm Keira Knightley Takes On “Anna Karenina” Keira Knightley talks about playing the title role in “Anna Karenina.” She also shares how her understanding of the classic material changed from when she first read the book as a young woman. US & World Videos 0:59 Runaway zebras corralled in Washington state; one still missing 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South 0:48 World Central Kitchen to resume operations in Gaza 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie