That is outlined in the strategic concept, but NATO would like to talk to the Russians about reducing the number of non-strategic nuclear warheads in Europe and moving them outside NATO's borders. This involves mainly the Russians, since it is primarily them who have this capability. The U.S. president has already said he would like to initiate talks with Russia on the matter, but so far, the Russians have not agreed to any discussions, not with us or them.
On May 1st, 2012. See this statement in context.