WILMINGTON, Del. — A judge ruled on Tuesday that Fox News could not argue that it broadcast false information about Dominion Voting Systems on the basis that the allegations were newsworthy, limiting a key line of defense for the network as it faces the beginning of a potentially costly defamation trial next week.The judge, Eric M. Davis of Delaware Superior Court, also ruled that Dominion could not refer to the Jan. 6, 2021, assault on the Capitol except in very narrow circumstances, saying he did not want jurors to be prejudiced by events that weren’t relevant to the central question in the case: Did Fox air wild claims about Dominion’s purported involvement in a conspiracy to steal the 2020 presidential …
