NPR News

(Revised and updated @ 5:55 pm ET)

Sports injuries are as much a part of the Olympic Games as gold medals and doping allegations.

Will the London 2012 Games be remembered as the last Olympics of the pre-clone era? The answer is maybe — because the group that oversees equestrian events has given its OK to allowing cloned horses to compete in the Summer Olympics.

When visiting another country for the first time, you probably turn to a guidebook for travel information — recommendations for hotels, restaurants and sightseeing. First-time visitors to the U.S. turn to guidebooks for that information, and also for advice on navigating the complexities of American culture.

Barry Bonds will be in the Hall of Fame ballot for the first time this November. Whether he deserves a spot in Cooperstown will no doubt be debated endlessly. One side are those who say you can't take away the 762 home runs that made Bonds the sport's most successful slugger. Others will say that he and others like Mark McGwire and Sammy Sosa are forever tarnished because of their connection to performance enhancing drugs.

We'll leave that debate for another day.

The U.S. could have nearly 63,000 fewer doctors than needed by 2015, according to a projection from the Association of American Medical Colleges. Some health experts argue that allowing physician assistants and nurse practitioners to provide more care could help.

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TOM GJELTEN, HOST: