Jeff Sessions actually said...

Senator Hagel was very anxious to tell us the report did not call for unilateral actions on behalf of the United States.

A growing concern on our side about moving this nomination so rapidly and a belief that there are further disclosures.

If an ally doesn't think that we are going to be there for them, then will they not have a high incentive to build a nuclear arsenal themsel...

A less good approach would be to adopt this agenda unilaterally.