What We Don’t Know• Whether any of the claims in the memos are true. American intelligence agencies have not confirmed them, and Mr. Trump has said they are a complete fabrication. • What exactly prompted American intelligence officials to pass on a summary of the unvetted claims to Mr. Obama, Mr. Trump and Congress. But as of Jan. 20, Mr. Trump will be in charge of the bureau and the other intelligence agencies, and he may not approve such an investigation. • There are reports that many people in the news media knew about this opposition research on Mr. Trump and Russia for months, but it was never raised during the campaign.

Source: New York Times January 11, 2017 15:19 UTC