“After board dinners, we inevitably sit around and talk about our kids and their careers,” Dave Calhoun recently told me. “Frankly, we’re often at a loss with how to help them.” If someone with Calhoun’s experience has trouble with this – he’s chairman of Nielsen’s board, sits on boards of Boeing and Caterpillar, and is on the management committee at Blackstone – I know he can’t be alone.