US officials have for years warned about an over-dependence on Taiwan Semiconductor Manufacturing Co. and its giant ecosystem of suppliers.Photographer: An Rong Xu/BloombergWashington is demanding Taiwan move investment and chip production to the US so half of American demand is manufactured locally, outlining a radical shift for the global semiconductor industry.The US has held discussions about that with Taipei to reduce the risks of over-reliance, Commerce Secretary Howard Lutnick said in an ...