The United States is responding to China’s “provocative” behavior toward Taiwan by boosting trade with the democratically-run island and insisting on air and sea passage through the strained Straits, the White House said on Friday. A new trade plan will be presented within days as US forces cross the Taiwan Strait in the coming weeks, said Kurt Campbell, White House coordinator for Asia-Pacific affairs and adviser to President Joe Biden. Campbell told reporters that communist China used House Speaker Nancy Pelosi’s recent controversial visit to Taiwan to try to change the island’s uncertain status quo. Campbell insisted that the visit...