By Colin Greten When "Pride and Prejudice" and "Atonement" director Joe Wright was picked to helm another piece of classic literature in "Anna Karenina," it came as no surprise who he picked to play his lead. Keira Knightley has seen her acting career flourish in these types of roles. While she has had success in other roles her most critical success comes from her collaborations with Wright, resulting in two Golden Globe nominations and an Oscar nod. In a recent interview with MTV News Knightley explained how her relationship with...