WASHINGTON A Russian venture capitalist and tech expert whose name and company are mentioned in the now-notorious document alleging connections between the Donald Trump campaign and Russian hackers says no intelligence officers have ever contacted him about the accusations, which he says are false. A report compiled by a former Western intelligence official as opposition research against Trump was made public Tuesday when BuzzFeed posted its 35 pages. The document included unsubstantiated claims of collusion between the Trump campaign team and the Kremlin. It also alleged that global tech firm XBT Holding, with operations in Dallas, was instrumental in the...