On Wednesday, he provided NBC news with a series of text messages between himself and Randy Credico, a friend of his who Stone has said passed along information about WikiLeaks during the 2016 campaign.
Cohen has already pleaded guilty to the charges.
Trump's lawyers haven't been able to make the defamation suit go away.
The probe into Roger Stone's ties to WikiLeaks continues.
Longtime Trump ally Roger Stone was reportedly so eager to get recognition for his work that he demanded credit for collusion.
BuzzFeed has reported that Smith reached out to dark web hackers, including people he believed were Russians, and potentially paid them to obtain the emails.
The decision also says that some of the documents include "private information of non-parties" and "financial information" that should not be publicly disclosed.
A new book reveals how Sen. Mitch McConnell sought to undermine the CIA as it tried to address Russian attempts to influence the 2016 election.
Prince has said that the meeting, also attended by UAE adviser George Nader, was not pre-arranged and was just "over a beer."
However, as journalist Charlie Savage revealed in the New York Times Friday, there may be another way the public could learn what Mueller knows even if the president does his best to quash the investigation.