US senator releases transcript of interview with Trump dossier firm co-founder

A senior US politician has released a transcript from an interview with the co-founder of the firm that commissioned a dossier of allegations about President Donald Trump's ties to Russia.

The top Democrat on the Senate Judiciary Committee, California Senator Dianne Feinstein released the transcript from an August closed-door committee interview with Glenn Simpson after the Republican chairman of the committee, Iowa Senator Chuck Grassley, declined to.