How the Constitution is inspiring future generations in the U.S.

The "CBS Mornings" series "USA to Z," which brings stories from across the U.S. to celebrate 250 years of America, is focusing on "C" for Constitution. While just over half of Americans say "U.S. democracy is performing poorly or very poorly," Jan Crawford went inside the National Archives - home of the Constitution - and a classroom to see how future generations embrace what it stands for.