Watch/read the diavlog. It's very funny, because Juan Williams tries to push Kristol back: How is it that a conservative President gets to "nominate very conservative people to the court like the chief justice," and the conservatives expect Democratic Senators to vote for him because he's very highly qualified, and "then when a liberal president" gets his turn they get to put up opposition and won't vote for the nominee simply based merely on her very high qualifications? That sounds like a great argument, but the parry is pathetically easy:
Who voted against Justice Roberts and Justice Alito? A senator from Illinois named Barack Obama. Also a Senator from Delaware named Joe Biden. I don't think Barack Obama and Joe Biden can very well say about these two extremely well qualified nominees they voted against that Republicans in the Senate and conservatives in the country aren't entitled to say, "We respect Elena Kagan," or, "We respect Diane Wood..." [but...]You can't say let's stop noticing how political it is now, when I've got the political power.
And, of course, conservatives are always up — or should always be up — for a debate about how their approach to constitutional interpretation is properly and neutrally judicial and it's only the the liberal's approach that is political. That's not quite true, but the general public is immensely receptive, and the liberals know it. That's why, when their nominee comes before the Senate Judiciary Committee, regardless of the reason why she was picked — e.g., her empathy with the poor and the unfortunate — she is not going to open up and defend liberal constitutional jurisprudence. She is going to do her best imitation of John Roberts.
And that's why Bill Kristol is crushingly right: "A big debate on the Constitution, a serious debate" will benefit Republicans.