What with Fourth of July just around the corner, police departments all around the Bay Area tend to get flooded with calls mistaking gunfire for fireworks. How can you tell the difference? Well, Precita.org informs us that "gunshots are usually fired in closer succession, often 1-2 shots per second." Also, from our own experience, and what with SFist HQ located near 715 Harrison, gunshots have a more tinny, slap-across-the-face-ish sound to them. Now you know,......