Singapore (AFP) – The White House on Monday warned China against overreacting to a trip by US House Speaker Nancy Pelosi to Taiwan, saying she would have every right to visit the self-ruled island despite Beijing viewing it as a highly provocative challenge. China need not turn any visit by Pelosi into a “crisis,” White House National Security Council spokesman John Kirby told reporters, even as he warned that Beijing may be “positioning” itself for a show of military strength around the island. Media reports have said that Pelosi, currently on an official Asia tour, will stop off in Taiwan an…