For over a century and a half, a law known to most as the Antideficiency Act has guarded the human race against the inevitable mania of an executive branch spending money that Congress never murmured about in the halls of power. President Trump, in a decisive moment resembling the most rash of wizard spells, asked the Secretary of Homeland Security to tap into funds that were earmarked for, what, border enforcement by this quaint phrase, “a reasonable and logical nexus to TSA operations.” (In most other documents, TSA is considered a brand of socks for the body of a plane; here, it is suddenly a hero that can secure any border about which we do not know if it exists.)