​This week on "Sunday Morning" (Aug. 7)

Physical functions typically decline due to aging, but Lee Cowan met some runners in their Golden Years who would put many younger athletes to shame.

CBS News

COVER STORY: Senior athletes: Going the distance
Physical functions typically decline due to aging, but Lee Cowan introduces us to runners at the Huntsman World Senior Games who would put many younger athletes to shame.

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ALMANAC:
The Purple Heart
On August 7, 1782, Gen. George Washington created the Badge for Military Merit -- a Revolutionary War decoration which was reinstituted in the 1930s as the Purple Heart.

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ART:
The other Mapplethorpe
When you hear the name Mapplethorpe, it's usually photographer Robert Mapplethorpe who comes to mind. But the late artist's brother, Edward Mapplethorpe -- a photographer in his own right -- has reclaimed the family name for himself after many personal struggles, including conflicts with his sibling. Serena Altschul reports.

Robert Mapplethorpe's photographs © Robert Mapplethorpe Foundation. Provided by The Mapplethorpe Foundation. Used by permission.

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With "School of Rock" the Broadway composer is getting some of the best grades of his career. CBS News


ON BROADWAY:
Andrew Lloyd Webber's golden touch
This past year the famed composer of such theatrical staples as "Phantom of the Opera" had a new, Tony-nominated hit with "School of Rock." And now, his fabled musical "Cats" has returned to Broadway. Mo Rocca reports. (An earlier version of this story originally aired on December 13, 2015.)

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AUSTIN: The Texas Tower shooting
Anna Werner reports on the 50th anniversary of one of the most horrific mass shootings in U.S. history: Charles Whitman's assault on the campus of the University of Texas at Austin, in which 14 people were killed, in addition to another who succumbed years later from his injuries.

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STEVE HARTMAN:
Off to the races

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Correspondent Tracy Smith with actor (and cellphone hacking victim) Hugh Grant in London. CBS News

MOVIES: Hugh Grant
Tracy Smith interviews the actor and cellphone hacking victim.

PREVIEW: Hugh Grant calls himself "Barbra Streisand in trousers"

TAKE OUR QUIZ: How well do you know Hugh?

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SPORTS:
Archery: Aiming high in Bhutan
Barry Petersen takes a close-up look at the national sport of Bhutan, and a tiny nation's Olympic hopes.


ON THE TRAIL: In the desert, a fish survives
Near Death Valley National Park is a hole in the ground, hundreds of feet deep, home to one of the rarest fish in the world. Conor Knighton continues his year-long exploration of America's National Parks.

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CALENDAR:
Week of August 8
"Sunday Morning" takes a look at some notable events of the week ahead.


NATURE:
Moose


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