2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/10750A (very) brief review of topological defects and their possible cosmic roles. I emphasize in particular that superheavy defects needed for structure formation can peacefully coexist with inflation, despite the claims to the contrary which are often made in the literature.5 pages, no figures; a contribution to the Round Table Discussion at the conference ``Critical Dialogues in Cosmology'', PrincetonAstrophysicsCosmic Defectstext