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NPR's Jack Speer reports on the creative ways companies have responded to high oil prices. Many businesses are managing to lower their energy bills with the help of new technology.

Commentator Baxter Black looks at the trouble some companies have had trying to sell themselves to the public.

Host Renee Montagne talks with Allison Des Forges, a consultant to Human Rights Watch Africa, about the on-going Burundi peace talks. President Clinton, as a personal favor to Nelson Mandela, will address the peace talks later today as part of his trip to Africa. Mandela was hoping to have an agreement from both the Tutsi-controlled government and the Hutu rebels before Clinton's visit, but that agreement has proved elusive.

Host Renee Montagne talks to reporter Steven Dudley in Bogota about the latest surge in violence in Colombia. Over the week-end, suspected members of Colombia's right-wing paramilitary forces killed at least 17 people in two separate massacres.

NPR's Guy Raz reports on how college professors are adapting their teaching methods to an Internet world. With course notes on-line and some professors even replacing themselves with CD-ROMs, the changes have been tougher on the teachers than the students.

Jeff Brady of member station KOPB examines the changing roll of county fairs. As more and more ranchers and farmers turn to the Internet to purchase their supplies, fairs have shifted more toward education and entertainment to stay in business.

NPR's Elaine Korry reports on the record high prices for natural gas and how they're expected to raise heating bills this winter. Supplies of natural gas are the tightest they've been in years. High natural gas prices also drive electricity bills higher, in states such as California, where natural gas is used to generate electricity during periods of peak demand.

Commentator Jeff Steinbrink talks about the new miniature camera that transmits pictures of the digestive tract. The camera is swallowed in a capsule and offers views of the human digestive system never before seen.

Host Renee Montagne talks to commentator John Feinstein about this year's U.S. Open tennis tournament, which begins today in New York.

Commentator Diana Nyad says she's not a fan of the way the U.S. selects its Olympic athletes.