Photo: (ABC) If "Legally Blonde" taught us anything about the finite rules of hair care, it's to forego getting your hair wet for at least 24 hours after a perm. If "Pretty Little Liars" had such a list of hair care facts, I'm pretty sure the cardinal one would be: the crazier the hair, the crazier the liar. In a testament to a really fun hair and make-up team, the unruliness that is Spencer's hair positively correlates to her growing desperation (read: crazy Spencer has crazy hair). In this week's episode, she finally seems to...