There's one sentence in the last paragraph of the GOP memo that could thwart President Trump's efforts to discredit the Russia probe, the Washington Post points out. “The Papadopoulos information triggered the opening of an FBI counterintelligence investigation in late July 2016 by FBI agent Pete Strzok."

Why it matters: This line undermines the argument that the FBI counterintelligence investigation happened because the Trump dossier set it in motion. Instead, it points to a former Trump campaign associate (who has since been charged in Mueller's probe) as the reason.

Democrats on the House Intelligence Committee wrote as much in their response to the Devin Nunes memo: “This ignores the inconvenient fact that the investigation did not begin with, or arise from Christopher Steele or the dossier, and that the investigation would persist on the basis of wholly independent evidence had Christopher Steele never entered the picture.”

Background, per WashPost: