This morning, Hillary Clinton sent an email to supporters with the subject line, "Announcement." But the contents of the message did not explain the former secretary of state's future political ambitions. Instead, the message asked for money from supporters of what is now the Bill, Hillary, and Chelsea Clinton Foundation. "This is a season to give thanks for our many blessings and to remember our responsibilities to each other – that we're all in this together," Clinton wrote. "In my family, we're celebrating our first holidays with a beautiful new granddaughter. We're also celebrating the generosity and commitment of our...