'Sound of Music' actress Heather Menzies-Urich dies at 68

Actress Heather Menzies-Urich, best known for portraying Louisa von Trapp in the 1965 film "The Sound of Music," died Sunday night. She was 68. Menzies-Urich, the widow of actor Robert Urich, had been recently diagnosed with cancer, according to her son Ryan Urich.