Yes, Mr. Liddy actually went there (shortly after referring to Spanish as "illegal alien," which I’m sure Spanish speakers the world over will find very droll):

Let’s hope that the key conferences aren’t when she’s menstruating or something, or just before she’s going to menstruate. That would really be bad. Lord knows what we would get then.

Ah, of course.  Judge Sotomayor can’t be trusted to do her job professionally and competently because she gets the PMS, you know, like women do.  Am I right, guys?  Yeah, you know what I’m talking about, nudge nudge wink wink ex-wife joke.

Liddy isn’t the first conservative to use this repulsive argument against a woman seeking a position of power, and I’m sure he won’t be the last.  But the thing is, every time some misogynist asshole uses this argument, it’s not just a slur against the woman in his crosshairs, it’s a slur against every woman between menarche and menopause.

Liddy and all his sexist predecessors are actually claiming, against millennia of evidence to the contrary, that women can’t be trusted in any position of responsibility because for a few days every month, the PMS makes them so mean and irrational that they forget all their knowledge, all their experience, and make decisions based solely on rage.  And that it’s only a matter of time before this breakdown of mental discipline leads to unthinkable disaster.

In other words, the right-wing’s PMS Woman caricature sounds just like the GOP every single day.