Article is good read, not that long.

Byron York: Senate committee targets FBI No. 2 in Trump dossier probe

Source: Washington Examiner

"Sen. Charles Grassley, chairman of the Senate Judiciary Committee, has sent a letter to FBI Director James Comey demanding the story behind the FBI's reported plan to pay the author of a lurid and unsubstantiated dossier on candidate Donald Trump. In particular, Grassley appears to be zeroing in on the FBI's deputy director, Andrew McCabe, indicating Senate investigators want to learn more about McCabe's role in a key aspect of the Trump-Russia affair...."

"....But the most noteworthy thing about Grassley's letter is its focus on McCabe. Grassley noted that McCabe is already under investigation by the FBI's inspector general for playing a top role in the Hillary Clinton email investigation even though McCabe's wife accepted nearly $700,000 in political donations arranged by a close Clinton friend, Virginia Gov. Terry McAuliffe, for her run for state senate in Virginia.

"While Mr. McCabe recused himself from public corruption cases in Virginia…he failed to recuse himself from the Clinton email investigation," Grassley wrote, "despite the appearance of a conflict created by his wife's campaign accepting $700,000 from a close Clinton associate during the investigation." ...."

http://www.washingtonexaminer.com/article/2619120/