By Michael Martins Having won a decisive victory, Donald Trump is very unlikely to change tack when it comes to complex geopolitical issues. World leaders should show some humility and instead of criticising his views, try to find their own opportunities within them, says Michael Martins One of my strongest memories from my nearly six years working at the US embassy in London was meeting President Trump. I was surprised at how charismatic he was and how laser focused he and his team were on his primary goal: advancing his America First foreign policy doctrine. I remembered hearing from colleag…