Nancy Pelosi's trip to Taiwan could become a massive headache for Joe Biden.

The US House Speaker's controversial visit has sparked strong condemnation from China, further souring US-China relations.

Biden didn't support the trip, but says he respects Pelosi's decision to go.

Princeton University international relations expert Aaron L. Friedberg told Mike Hosking the Biden administration has mishandled the trip by allowing stories about its concerns to leak.

He says any concerns should have been expressed quietly, and it makes Biden's administration look ineffectual.

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