( CNN ) -- Bill and Melinda Gates Foundation issues $ 100,000 challenge . Condoms widely available ; goal is to create one that people will actually want to use . Comment: New design would not need extensive clinical testing , foundation says .
Bill and Melinda Gates Foundation issues $ 100,000 challenge . Condoms widely available ; goal is to create one that people will actually want to use . Comment: New design would not need extensive clinical testing , foundation says .