Huawei chief financial officer Meng Wanzhou arrives at a parole office with a security guard in Vancouver, British Columbia, Wednesday, Dec. 12, 2018. (Darryl Dyck/The Canadian Press via AP)
TORONTO — First U.S. President Donald Trump attacked Canada on trade. Then Saudi Arabia punished it for speaking up for human rights. Now China has the country in its cross-hairs, detaining two Canadians in apparent retaliation for the arrest of a top Chinese tech executive on behalf of the United States.