Rice made an extended argument for American leadership in the world.
In recent days, she emailed supporters:
"2012 is perhaps a turning point for the United States."
"The upcoming elections loom as one of the most important in my lifetime," she warned. "I'm very often asked to speak about our current foreign policy and the challenges that lie before us. However, we, as a country, are not going to be able to address any of those international challenges unless we first get our domestic house in order."