US President Donald Trump has condemned Australia’s recent moves to clamp down on social media – predominantly run by American tech companies – as “a form of extortion”, hinting at more threats to come. “President Trump has unequivocally warned trading partners against imposing digital services taxes, fines, and other forms of extortion on America’s leading technology sector,” White House economics spokesman Kush Desai said on Tuesday night, as reported by news.com.au. “The administration...