Lesley Stahl reports on the National September 11 Memorial & Museum; then, parents of fallen heroes unite to cope with loss; and, Oklahoma's rise in quakes linked to man-made causes.
Released: 2016-09-11
Runtime: 50 minutes
Genre:
Stars: Steve Kroft, Norah O'Donnell, Lesley Stahl, Bill Whitaker, Sharyn Alfonsi, Scott Pelley, Anderson Cooper, Bob Simon, Morley Safer, Lara Logan