US President Donald Trump’s second son Eric, who oversees the family business empire, is among the US entourage for the state visit to China.Eric and his wife Lara followed the US president down the steps from Air Force One on arrival in Beijing on Wednesday night.The executive vice-president of his father’s businesses, Eric oversees investments in areas including real estate and golf. More recently, he has pivoted to cryptocurrency and blockchain technology, focusing on decentralised...