For many Fortune 500 companies, the answer is obvious: one (or more) of your children take the helm. But let's get beyond the nepotism and silver spoons, real and imagined. Do the numbers support mixing business and blood ties?
To find out, Stephen J. Dubner learns about Japanese adoption practices and visits America's oldest brewery. Plus, Warren Buffett's youngest son, Peter Buffett, talks about why he didn't follow in his father's footsteps.