On the seventh day after former St. Louis police officer Jason Stockley's acquittal, white people packed South Broadway in front of Busch Stadium to protest the decision while white Billy Joel fans squeezed past to cheer on the piano man.The demonstration, coordinated by the same organizers as previous days, was originally billed as a "white allies only" protest. A later version of the online flier was updated to describe it as a call to action for "movement allies" in an attempt to be more inclusive.…