BERLIN — Finland’s government has proposed scrapping a Cold War-era blanket ban on nuclear weapons on its territory, a move the Ministry of Defense says is needed to fully integrate into NATO’s deterrence architecture. The proposal, circulated for public comment on March 5, would amend both the Nuclear Energy Act and the Criminal Code. Under current law − passed in 1987 during a period of Finnish neutrality − the import, transport, possession, manufacture, and detonation of nuclear devices is