The Trump administration is seizing the opportunity of the coronavirus pandemic to push a cause that has long been an irritant in U.S. relations with China: Taiwan. The virus has added yet another dimension to U.S.-China tensions that were already wracked by a trade war and heated discussions over intellectual property, human rights and Chinese policies in Hong Kong and the South China Sea. As the pandemic has grown, U.S. officials and lawmakers have stepped up alternately bashing China for a lack of transparency over the outbreak and praising Taiwan for its response to the outbreak.