NPR News

The central argument of Republican Mitt Romney's presidential campaign is that he understands how the economy works — thanks to his business background — in a way that President Obama does not.

Democrats have been challenging the former Massachusetts governor's claim that the private equity firm he founded helped to create more than 100,000 jobs. Now, some of Romney's Republican rivals are raising questions of their own.

The South Carolina primary is a week from Saturday. Before then, voters there can expect to be inundated with ads attacking Republican presidential candidate Mitt Romney and his role in Bain Capital.

"We made a $3.4 million ad buy in South Carolina, which is fairly significant," says Rick Tyler, senior adviser to the pro-Newt Gingrich SuperPAC Winning Our Future.

"Fairly significant" hardly does justice to the SuperPAC's plan.

Barry Larkin, who spent his entire career as a Cincinnati Reds shortstop, has been elected into the baseball Hall of Fame. He became the 48th hall of famer to play his entire career with one club.

Larkin received the vote of 86 percent of the Baseball Writers' Association of America in his third year on the ballott. A player needs 75 percent of the vote to be inducted.

The Hall reports: