For decades, humans have searched for extraterrestrial life to no avail. Then a mistake reveals the message. We aren't alone. Another voice in the universe, intelligent, advanced, and close--really close--calls to us.The discovery smashes the balance of power across the world. Everything and everyone is in play for the dominion of Earth. Now the youngest president in U.S. history, untested and beset by foes at home and abroad, faces people too rich or too dangerous to control in her quest to save Earth.