The Soviets have agreed to complete a treaty cutting strategic weapons without including restrictions on space-based defenses.  But the Soviets also are insisting that they will reserve the right to withdraw from the completed strategic-arms treaty later on if the U.S. does SDI testing or deployment that the Soviets think violates the existing anti-ballistic-missile treaty.
those plans could scuttle a completed treaty
It will be hard down the road to persuade Congress to approve money for SDI plans if lawmakers fear those plans could scuttle a completed treaty.
The Soviets have agreed to complete a treaty cutting strategic weapons without including restrictions on space-based defenses.  But the Soviets also are insisting that they will reserve the right to withdraw from the completed strategic-arms treaty later on if the U.S. does SDI testing or deployment that the Soviets think violates the existing anti-ballistic-missile treaty.</s>It will be hard down the road to persuade Congress to approve money for SDI plans if lawmakers fear those plans could scuttle a completed treaty.</s>those plans could scuttle a completed treaty