By Steve Holland, Humeyra Pamuk and Patricia Zengerle WASHINGTON (Reuters) – The United States is considering not sending a diplomatic delegation to the opening of the Beijing Winter Olympics in February, to protest China’s human rights practices, five sources familiar with the matter said on Wednesday. Governments typically send a high-ranking delegation of diplomats to opening ceremonies in a show of international support for the thousands of athletes from around the world who participate. The 2022 Winter Olympics run from Feb. 4-20. Activists and some members of Congress from both parties h…