NPR News

Google is "downgrading the search result ranking of the company's own Web browser, Google Chrome, for 60 days," as PC World reports, because some bloggers ending up being paid to mention Chrome during a recent ad campaign.

The story of how 18-year-old Sarah Dawn McKinley shot and killed a man who authorities say was breaking into her house on Saturday has been getting lots of attention because of the 911 phone call she made and the already tragic circumstances surrounding the incident.

McKinley, of Blanchard, Okla., called 911 to say that a man was trying to get inside her mobile home and that she feared for her life and that of her 3-month-old son. She asked the 911 operator if she could shoot him if he got inside.

Several former rivals of Minnesota Rep. Michele Bachmann were quick to applaud the now-suspended campaign run by the only woman to have sought the 2012 Republican presidential nomination.

Jon Huntsman said Bachmann added an "energetic and passionate voice" to the campaign. Mitt Romney called Bachmann a friend with a "titanium spine." And Newt Gingrich extolled Bachmann's "considerable talent" and "great courage."

When the Pittsburgh Steelers start the NFL playoffs with a road game in Denver's Mile High Stadium Sunday, they'll do it without free safety Ryan Clark. That's because Clark, who has 100 tackles and the confidence of his coaches, also has sickle cell trait, which can cause severe complications at high altitudes.

The Food and Drug Administration is moving to stop the use of some antibiotics on animals. The agency wants to prevent overuse of these drugs so that bacteria don't develop resistance to them.

The announcement affects antibiotics called cephalosporins, drugs used widely to treat things like pneumonia or skin infections in people.