"Second, while the investigation identified numerous links between individuals with ties to the Russian government and individuals associated with the Trump Campaign, the evidence was not sufficient to support criminal charges. ...the evidence was not sufficient to charge any Campaign official as an unregistered agent of the Russian government or other Russian principal. ...[E]vidence about the June 9, 2016 meeting and WikiLeaks's releases of hacked materials was not sufficient to charge a criminal campaign-finance violation. ...[E]vidence was not sufficient to charge that any member of the Trump Campaign conspired with representatives of the Russian government to interfere in the 2016 election."