Russian Once Tied to Trump Aide Seeks Immunity to Testify Before Congress by BARRY MEIER and JESSE DRUCKER

By BARRY MEIER and JESSE DRUCKER Oleg V. Deripaska’s offer comes amid increased attention to his ties to Paul Manafort, who is one of several Trump associates under F.B.I. scrutiny. Published: May 25, 2017 at 08:00PM from NYT U.S. http://nyti.ms/2rIfuOW