Unless Ms. Carter saw the actual warrant, the jury is still out.
Nunes negotiated the release of the FISA warrants and congress has already seen them. Now they are leaking. It all happened this week.
Read Byron York’s article this morning.
http://www.washingtonexaminer.com/byron-york-yes-congress-has-seen-trump-russia-secret-court-surveillance-documents-now-what/article/2645498?platform=hootsuite