China's new Princess - the daughter of Communist president Xi Jinping studying quietly at Harvard Xi Mingze, 20, has been studying at the leading US university under a pseudonym since 2010 'She is a bookworm, very quiet and studious' Xi is said to have 24 hour protection from bodyguards By Sharon Churcher Demurely dressed in a high-necked jumper on a chilly autumn day, the pretty 20-year-old brunette could be any university student. But this photograph posted on Facebook shows Xi Mingze, the new 'princess' of China. As the cherished only daughter of China's new president Xi Jinping, Ms Xi, nicknamed...