Feinstein posts testimony of Fusion GPS co-founder

Sen. Dianne FeinsteinDianne Emiel FeinsteinDems reject Barr's offer to view Mueller report with fewer redactions Five takeaways from Mueller's report Only four Dem senators have endorsed 2020 candidates MORE (D-Calif.) has posted the entire transcript of closed-door testimony that Fusion GPS co-founder Glenn Simpson made to the Senate Judiciary Committee.

Fusion GPS last week demanded that the full transcript be released, sparking a fight with Judiciary Chairman Chuck GrassleyCharles (Chuck) Ernest GrassleyOn The Money: Inside the Mueller report | Cain undeterred in push for Fed seat | Analysis finds modest boost to economy from new NAFTA | White House says deal will give auto sector B boost The 7 most interesting nuggets from the Mueller report Government report says new NAFTA would have minimal impact on economy MORE (R-Iowa) over who was standing in the way of the document being released. 

The Senate Judiciary Committee interviewed Simpson in August as part of its investigation into Russia's election interference. 

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Simpson has emerged as a central figure in the probes into Russian election interference after his firm helped assemble a controversial dossier tying President TrumpDonald John TrumpThorny part of obstruction of justice is proving intent, that's a job for Congress Obama condemns attacks in Sri Lanka as 'an attack on humanity' Schiff rips Conway's 'display of alternative facts' on Russian election interference MORE to Russia.

Former British intelligence officer Christopher Steele compiled the document, which includes unverified allegations against Trump and his links to Moscow.

GOP senators have recommended that Steele face a criminal investigation.

Read the transcript of Simpson's testimony below: