"They are well-armed. They are well-organized. And so they balance out the advantages to a large extent that the state has."

VOA: standard.2009.10.03

But he said movement toward that objective should be gradual and should require other nuclear-armed countries to cut their arsenals as well.

VOA: standard.2009.12.25

Mr.Obama discussed nuclear non-proliferation in the Oval Office Tuesday with former secretaries of state George Shultz and Henry Kissinger, as well as former Defense Secretary William Perry and Sam Nunn, former chairman of the Senate Armed Services Committee.

VOA: standard.2009.05.19