During the long and agonizing Watergate scandal, the endless question was: What did he know, and when did he know it? That referred to President Richard Nixon, and the break-in and cover-up at the Democratic National Headquarters.
In the end, it turned out Nixon had known a lot, right from the start, which is how he became our only President ever forced from office.
Well, now people are beginning to ask: What did she know and when did she know it? Except the arena is not politics, but the auto industry, specifically, the reborn General Motors.
This time, the chief executive is a woman, Mary Barra, the first woman ever to lead a major car company.
Three months ago, many of us were stunned and delighted when she was appointed.