President Trump on Friday threatened to open an investigation into European digital policies via Section 301 of the Trade Act of 1974, citing the European Commission’s decision on Thursday to hit Google with a $3.5 billion fine for breaching antitrust rules. “Europe today ‘hit’ another great American company, Google, with a $3. 5 Billion Dollar fine, effectively taking money that would otherwise go to American Investments and Jobs,” Trump said on his social media site . “This is on top...