The Obama administration is dodging a congressional inquiry into its refusal to designate recent Iranian ballistic missile tests as a violation of an international statute barring such tests, prompting frustration on Capitol Hill from lawmakers who accuse the administration of breaking past promises to enforce the missile ban, according to recent communications sent by the State Department and obtained by the Washington Free Beacon. Lawmakers launched an investigation earlier this month into what they describe as Obama administration efforts to mislead Congress about the nature of last summer’s comprehensive nuclear agreement. The administration’s refusal to say that Iran’s missile tests...