AG Holder weighs in on George Zimmerman case

      |The CBS News Roundup: Attorney General Eric Holder is weighing in on the George Zimmerman case; a brutal heat wave is sweeping the Northeast; Asiana Airlines says it will sue a San Francisco TV station; Defense funding gets the Air Force flying again; and, the 6-year-old who was trapped under a sand dune in Indiana is recovering well. Nick Dietz reports on the news you need to know now.