Scientists say that in the nearly three years since the president announced his policy, the research has moved slowly.
It is the first important national magazine to announce such a policy.
"We have not announced a formal policy on this point but our practice will be along the same lines," he said.
Although the police have recently announced such a policy, there is no prescribed legal requirement.
At other times they seize on a development overnight as a chance to announce a new policy or change an old one.
Mr. Clinton is expected to announce his new policy in the next few days, officials said.
The Clinton Administration has yet to announce a policy on arms sales.
But they must announce a new and solid policy.
The team later announced a more stringent policy on how they deal with doping.
Was he trying to announce a new policy on means testing winter fuel allowance?
