( "pomp and circumstance" plays ) >> woodruff: college costs are soaring, and so is student debt. we get four views on whether today's diplomas are worth the bills. >> brown: plus, from rome, ray suarez previews this weekend's vatican conference on hiv/aids prevention. >> there's a massive audience for whatever the catholic church teaches, because you have to remember, that with over 1 billion members around the world one out of every six people on planet earth is a catholic. >>oodruff: that's all ahead on tonight's newshour. major funding for the pbs newshour has been provided by: >> i mean, where would we be without small businesses? >> we need small businesses. >> they're the ones that help drive growth. >> like electricians, mechanics, carpenters. >> they strengthen our communities. >> every year, chevron spends billions with small businesses. that goes right to the heart of local communities, providing jobs, keeping people at work.