Bill Clinton adamantly opposed missile defenses and, not surprisingly, his administration expended most of its related energies trying to make the ABM Treaty which it called "the cornerstone of strategic stability" even more restrictive of American anti-missile technology.
CENTERFORSECURITYPOLICY: Center for Security Policy | Hail to the Chief: George W. Bush Demonstrates Couragerous, Visionary Leadership ?? again ?? by Jettisoning A.B.M. Treaty