In this web exclusive, Rose Byrne, an Oscar nominee for best actress for her performance in Mary Bronstein’s “If I Had Legs I’d Kick You,” talks with Tracy Smith about her response to the character of Linda, a woman at the end of her rope. She also talks about her early years in Hollywood, including her friendship with fellow Australian Heath Ledger, and her experience playing comedy with “Bridesmaids.”In this web exclusive, Rose Byrne, an Oscar nominee for best actress for her performance in Mary Bronstein’s “If I Had Legs I’d Kick You,” talks with Tracy Smith about her response to the character of Linda, a woman at the end of her rope. She also talks about her early years in Hollywood, including her friendship with fellow Australian Heath Ledger, and her experience playing comedy with “Bridesmaids.” Entertainment – CBSNews.com