Each morning, a bus departs Riga bound for Moscow — a small, ordinary act that has become a matter of national security deliberation. Latvia, caught between the practical movement of thousands of travelers and the geopolitical weight of its eastern borders, is quietly dismantling the infrastructure of connection it once permitted. The question being asked in Riga is not merely logistical but existential: what obligations does a nation have to facilitate movement toward a neighbor it no longer trusts?