World leaders head to Asia for back-to-back diplomatic summits

Tussle for influence as trade, tech and regional security to take centre stage in China, Philippines and Cambodia meetings The global political centre of gravity will be firmly in Asia this week as world leaders fly in for back-to-back high-level summits against the backdrop of the tussle for influence between the superpowers China and the US. Beijing will have the home advantage when it welcomes Donald Trump to its southern technology hub of Shenzhen for the Asia-Pacific Economic Cooperation (A