“The British ex-spy who authored a dossier of allegations against then-presidential candidate Donald Trump was told the FBI had someone inside Trump’s network providing agents with information,” the Washington Post reports.

“Glenn Simpson, founder of research firm Fusion GPS, spoke to investigators with the Senate Judiciary Committee for 10 hours in August. As the partisan fight over Russian interference in the 2016 election has intensified, Simpson has urged that his testimony be released, and a copy of the transcript was made public Tuesday.”

“It was released by the ranking Democrat on the Senate Judiciary Committee, Sen. Dianne Feinstein (D-CA). That decision marks the most serious break yet in the once cooperative relationship she has had with the Republican chairman of the committee, Sen. Charles E. Grassley (R-IA).”