Just before Thanksgiving, House Republicans amended the list of documents they’d like President Trump to declassify in the Russia investigation. With little fanfare or explanation, the lawmakers led by House Intelligence Committee Chairman Devin Nunes (R-Calif.) added a string of emails between the FBI and the Department of Justice (DOJ) to their wish list. Sources tell me the targeted documents may provide the most damning evidence to date of potential abuses of the Foreign Intelligence Surveillance Act (FISA), evidence that has been kept from the majority of members of Congress for more than two years. The email exchanges included then-FBI...