The 2016 Democratic presidential nominee appeared to suggest Russia was aiding Gabbard's campaign.
The president named his favorite Fox News hosts and CNN had a laugh over it.
The rock musician turned the Senate majority leader's new nickname into an audience singalong.
Their posts were part of a broader social media misinformation campaign.
Federal prosecutors charged Elena Alekseevna Khusyaynova, who they say worked for oligarch Yevgeniy Viktorovich Prigozhin and his “Project Lakhta.”
President Trump now says he accepts U.S. intelligence agencies’ conclusion on Russian interference, but also said it "could be other people."
Hollywood has launched “InvestigateRussia.org” to learn more about the country’s attacks against the United States.
He was told it was part of Russia's attempt to help his father win the election.