AnewnucleararmsraceisunderwaybetweenRussiaandtheUnitedStates,onethatfocusesonthetechnologyofdeliveryofnuclearwarheads.Thisbookdescribeshowandwhythisraceishappening,whostillpossessesnuclearweapons,andwhatconstraintsapplytothoseweaponsunderinternationallaw.AglobalnuclearbantreatyenteredintoforceinJanuary2021,butthenuclearpowerskeptdistant.Thelastremainingtreatyrestrainingthearsenalsofthetwonuclearsuperpowerswillexpireinlessthanfiveyears’timeandtheriskisthatotherStateswillturntonucleararmsfortheirdefence,furtherfracturingthenon-proliferationregimeinstalledaftertheCubanmissilecrisis.
