http://nymag.com/daily/intelligencer/2018/07/house-republicans-are-trying-to-thwart-dem-russia-probe.html
"Nunes is blocking Democrats from sharing what they’ve learned in witness interviews with Special Counsel Robert Mueller. Representative Adam Schiff, the top Democrat on the committee, tells CNN that some of the witnesses interviewed by House may have lied and he wants to tell Mueller all about it, but he can’t do so without Nunes’s help."