Europe’s antitrust chief dismissed on Friday accusations of anti-U.S. bias over her decision to go after Google (GOOGL.O) for abusing its Internet search dominance and Apple (AAPL.O) over an Irish tax deal, saying such talk was a fallacy. European Competition Commissioner Margrethe Vestager’s robust defense of her actions came after she was criticized in the U.S. media for a spate of cases opened over the past year against U.S. giants such as Google, Apple, Amazon (AMZN.O) and Starbucks (SBUX.O). “Some claim that our cases involving Internet giants such as Apple or Google are evidence of bias.