Former President Donald Trump doubled down on his assertion that he was in a near-helicopter crash with former San Francisco Mayor Willie Brown, calling The New York Times and threatening to sue over their coverage of his news conference, in which he made the claim, reported Maggie Haberman on Friday. Trump, according to the report, placed the call while his private Boeing 757, commonly nicknamed “Trump Force One,” was grounded during an emergency landing in Billings, Montana, on the way to his Bozeman rally. Per Haberman, Trump “excoriated The Times for its coverage of his meandering news con…