This is why Karl Rove should have been ... well, *you* fill in the blanks.
P.S. Jeb swallows.
If the Republicans keep control of the Senate then yes. Most of the RINOs will vote for whoever is nominated. Only the Democrats will vote to block any conservative nominee. Plus if RINOs do decide to block Cruz nominees a whole bunch of them will be up for reelection in 2018.
Even if every Cruz nominee is blocked for the next four or eight years we would be better off than we would be with any new liberals on the Court.