The online behavioral advertising world may be feeling a bit like Lindsay Lohan this morning — right after Charlie Sheen went self-destructive super-nova. Whew! Lindsay must have thought — at least the press is onto another whack job for a while. And so, in just a matter of days, persistent and growing attention to digital privacy issues and pending regulatory proposals took a hard left into Cupertino. The revelation that iPhones maintain on-board tracking of user locations (accessible to anyone …