https://www.reuters.com/article/us-usa-huaweitech-canada/huawei-cfo-arrives-in-vancouver-court-to-contest-u-s-extradition-request-idUSKBN1ZK16C >Huawei Chief Financial Officer Meng Wanzhou returned to a Vancouver court on Tuesday, where her lawyers are expected to build on their arguments against the U.S. extradition request that they say is based a sanctions violation and not bank fraud.