WORLD (PT)

7:00 pm 

Lost Cave Temples   In this second National Geographic Special for public television, filmmaker Liesl Clark documents her husband, seven-time Everest summiter Pete Athans, and big-wall climber Renan Ozturk, who take on the job of climbing into the crumbling caves. They search for the nine legendary cave temples called "Kabumm." Hoping to preserve rare texts, the team is interrupted by a posse of local horsemen who object to the intrusion of a sacred area.G

8:00 pm 

Secrets of Shangri-La   In the Kingdom of Mustang, between Nepal and Tibet and long off-limits to outsiders, explorers and scientists climb into human-carved caves thousands of years old. This National Geographic Special made for public television, follows team members up sheer rock cliffs into the caves where they find 14th-century wall paintings, ancient human remains and a centuries-old hidden library of sacred texts.G

9:00 pm 

Survival: Lives in the Balance  "Distant Places, Forgotten Lives (Niger)"  Tropical diseases threaten a billion people in the world today. Most of those people live in countries that do not have the resources to combat these diseases. In a striking move, a group of pharmaceutical companies pledged to donate enough drugs to target five tropical diseases that affect tens of millions of people in sub-Saharan Africa. D

10:00 pm 

Washington Week   NULL

10:30 pm 

McLaughlin Group   NULL

11:00 pm 

Need to Know   Big-city mayors across the United States are under growing pressure to balance their budgets and still provide necessary services, as foreclosures soar and federal and state aid and property tax revenues decline. Typical is the story of two-term Democratic mayor Tom Barrett of Milwaukee. His city has a 10 per cent unemployment rate and a nearly 30 per cent poverty rate. D

11:30 pm 

Inside Washington   NULL