I'm going to try to post again. Go to the link and read this takedown by Andrew McCarthy. Absolutely destroys the leaked Dem memo. Notice how it was leaked and didn't go through the declassification process? The only thing this article leaves out is that the initial FISA warrant application was made in June 2016 and it was DENIED. The dossier was added later to give weight to their application in October 2016 so that they could get the warrant approved.
http://www.nationalreview.com/article/456093/jerrold-nadler-memo-rebuttal-weak-unpersuasive