Article 4, Section 4, Clause 2 states specifically the Federal Government is responsible for protecting the many States from invasion. A failure to deploy the military against a known coming invasion is immediately impeachable on the high crime (Article 2, Section 4) of failing to uphold the Presidential Oath of Office (Article 2, Section 1, Clause 8).
Article 4, Section 4, Clause 2 states specifically the Federal Government is responsible for protecting the many States from invasion. A failure to deploy the military against a known coming invasion is immediately impeachable on the high crime (Article 2, Section 4) of failing to uphold the Presidential Oath of Office (Article 2, Section 1, Clause 8).