"First I'll acknowledge / Your trust has been broken now." So begins Justin Bieber's "Recovery," but it's going to take a lot of soulful longing and chillin' by the fire eatin' fondue for Bieber to make up with City Attorney Dennis Herrera, who is gunning hard for the 21-year-old Canadian musician after a guerrilla marketing campaign left S.F. sidewalks stenciled with ads for Bieber's album Purpose. ...