Regina's ACL set was remarkable, mostly for the deafening screams, cheers, and marriage proposals coming from the first, oh, 50 rows-or-so of Zilker Park side-stage loons during Ms. Spektor's a cappella intro. She doesn't make casual fans, she makes obsessive fanatics. Understandable, though; she's adorable, and Begin To Hope's begun to establish her as pop elite. And so, Zilker stalkers, ...