The Trident nuclear missile system will be renewed after MPs voted in favour with a majority of 355. You can read the MPs debate on Hansard.
Razi G gave an objectivist perspective earlier today arguing that nuclear weapons are an essential defence mechanism. Nico Metten took the opposing view condemning the system as unethical and wasteful. The two clashed over their ethical analysis in the comments to Razi’s article.
LATER: how MPs voted (Guardian)