Sarah Jessica Parker and her hideously veiny hands left the comforts of her gingerbread house in the woods for the soggy streets of London yesterday, where she is currently promoting her film "I Don't Know How She Does It." I haven't seen the movie, so I don't know what exactly the "it" she does is, but I bet it has something to do with her ability to stir a bubbling cauldron and wield a scythe at ...