"Clinton has already sold the country on the idea that a woman can be president. Sales experts will tell you that once the sale is made, you need to stop selling, because you have no chance of making things better, but you might give the buyer a reason to change her mind."
"Obama understood how to avoid selling past the close. At some point during Obama’s first presidential election campaign the country mentally agreed that an African-American could be their next president. So Obama accepted the sale and talked about other stuff."