Why the discredited dossier does not undercut the Russia investigation
Charlie Savage writes: Former President Donald J. Trump and his allies have stepped up an effort to conflate the so-called Steele dossier with the Russia investigation following the indictment of a researcher for the document on charges that he lied to the F.B.I. about some of its sources. Mr. Trump and his supporters have long sought to use the flaws of the dossier to discredit the investigation into Russian interference in the 2016 presidential election — and the nature of…