The entire issue is not what she MIGHT do, but what she WILL do.
We know what several conservative judges who HAVE done the right thing (literally and politically speaking), why not nominate them?
If the legal counsel of the ACLU can be put on the court (Ginsberg) why the heck can't a 100% conservative be nominated at least?
The entire issue boils down to the Left's new religion - abortion on demand. It isn't a litmus test, it's an article of faith they demand. Convert or be gone, ye heathen!
When I heard Miers supported trying U. S. military members in international courts, that was enough for me. Vote her down, get her to step aside - crush her like the enemy she is, drive her before you, and hear the lamentations of that woman (to borrow from Conan)!