China has lodged a formal protest after New Zealand’s top diplomat told a Chinese-born lawmaker to “go back to your own country,” a comment that has also prompted calls at home for the minister’s dismissal. 新西兰外长在国会对一名出生于中国的议员说“回你自己的国家去”，这番言论在国内引发了要求其下台的呼声，中国也提出了正式抗议。…