‘Rethinking SDI’

Trump's blast from a Reagan past—and just in the nick of time.

When Ronald Reagan first proposed a ‘shield’ against intercontinental ballistic missiles (ICBM) hitting the United States, it was widely derided by the scientific intelligentsia that claimed ‘no one could hit a missile with a missile.’

The Strategic Defense initiative or SDI was fantasy, not unlike ‘Star Wars,’ which quickly became its misnomer. The Gip…