Hillary Clinton and Robert Gates on how US and allies might persuade Iran that nuclear weapons would not be in their best interests.
In her first overseas trip as Secretary of State, Hillary Rodham Clinton said she would be looking to Asia to help tackle global problems. The BBC's State Department Correspondent, Kim Ghattas, is traveling with Clinton and she joins us now from Tokyo.
Caroline Kennedy says she's interested in the New York's U.S. Senate seat that will be vacated by current senator Hillary Rodham Clinton. Some in the Democratic Party are already questioning her credentials.