Ask almost anyone about negative political ads, you'll likely get a negative response. They're widely disliked, yet campaigns keep airing them over and over and over again. That's especially true right now in the state of Wisconsin, ahead of next week's Republican primary.
NPR's David Schaper reports that as hated as these ads are, they are seen as effective.
DAVID SCHAPER, BYLINE: Flip on the TV anywhere in Wisconsin this week and it won't be long until you hear this...
The Obama administration has announced a new policy to handle the risks posed by legitimate biological research that could, in the wrong hands, threaten the public.
The move comes in response to a huge debate over recent experiments on bird flu virus that got funding from the National Institutes of Health. Critics say the work created mutant viruses that could potentially be dangerous for people, or give terrorists a road map for making a bioweapon.
The killings in France of three Jewish children, a rabbi and three soldiers of North African descent came during a presidential campaign in which immigration has dominated campaign rhetoric. The Toulouse gunman, a Frenchman of Algerian descent, was shot dead by police, but the tragedy has prompted national soul-searching.