A very good interview (02/05/23) with Dr. Michael Pillsbury, preeminent scholar on China.
Refutes balloon flights during Trump Administration
Previous legislation to beef up security in Taiwan shot down by Republicans
Increasing concern with Chinese farmland purchases
Balloon payload loaded with sophisticated cameras to better target U.S. missile silos
Biden Administration wants to negotiate with China on return of wreckage of balloon, including technology payload
Good chance U.S. intelligence had no knowledge of previous flights