<iframe width="580" height="385" src="https://www.youtube.com/embed/h_zakAXwUZ4?autoplay=1" frameborder="0" allowfullscreen></iframe> <br>Katie Couric previews tonight's "CBS Evening News," which will focus on the dismissal of all charges against three Duke lacrosse ... <br><a href="https://www.youtube.com/watch?v=h_zakAXwUZ4">source</a>