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

(Recording) He says the prospect of a summit depends on progress on the North Korean nuclear issue, as well as the state of inter-Korean relations.

VOA: standard.2009.10.23

So both sides have gone well below the original START-One ceilings for their nuclear forces."

VOA: standard.2009.12.07

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

(Speech) Mr.Medvedev says facilities for oil and gas production, which guarantee the lion's share of Russian budget revenues, nuclear weapons, which ensure national security, as well as the country's industrial and public utility infrastructure were for the most part created by Soviet specialists.

VOA: standard.2009.11.12