The US and Israel’s war with Iran is nearing its first full week, and after throwing the region into chaos, it is starting to spread beyond the Middle East. Washington and Israel are now vowing to strike ‘deeper’ targets in Iran, after a US submarine sank an Iranian warship off Sri Lanka. Guardian columnist and Politics Weekly America host Jonathan Freedland joined Reged Ahmad in the Sydney studio to discuss what might force Donald Trump to end the war, and the repercussions for world order