Sam Nunberg was there for the early days of Trump's presidential run.

In the latest episode of The Jamie Weinstein Show, the oft-fired former Trump aide who has been questioned in the Russia investigation opens up about the Trump presidency, his mentor Roger Stone, the state of the Russia investigation, and much more.

Show Roadmap:

• What's surprised Nunberg about Trump's presidency.

• On the early days of the Trump campaign.

• Nunberg on his interactions with Trump — and how he's talked to him since he was elected.

• Nunberg on why he thinks Trump won the Republican primary.

• On his conversations with Trump and Roger Stone about Roy Cohn.

• On the Russian investigation — and where he thinks it is going.

• On he and Steve Bannon's efforts in the 2018 midterm elections.

• On Matt Drudge, Jared Kushner, and Sean Hannity.

• On his influences.