Donald Trump’s latest attack on the US ‘deep state’ and China is a sign that he’s preparing for the worst in America’s November elections, writes world affairs editor Sam Kiley

As midterms loom and Iran war backlash grows, US president resurrects unproven claims, casting uncertainty over Chinese leader’s visit.

Trump revisited conspiracy theories about his 2020 election defeat. He urged Republicans to tighten federal voting rules ahead of upcoming elections. Trump claimed U.S.…