live from our studio in singapore. this is bbc news. it s newsday. it s 7am in singapore, and 7pm in washington where a potential visit to taiwan by us house speaker nancy pelosi is stirring alarm in presidentjoe biden s administration. they fear the trip may cross red lines for china and that there is no exit path. beijing, which claims sovereignty over the island, has already issued harsh warnings even suggesting a possible military response. against this backdrop, president biden is expected to call president xi on thursday for the first time in months. for more, we can speak now to bonnie glaser, political commentator from the german marshall fund. she joins us from washington. thank you so much for talking to the bbc. give us a sense of what is going on in the corridors of power in washington with this potential visit. ~ ~ . visit. well, i think that there are different visit. well, i think that there are different points - visit. well, i think that there are diffe