Blocker’s scope may confine us to the sidewalks 98 percent of the time, but on occasion we’ll find ourselves on certain blocks that demand a few steps outside the confines of our usual corridor. Nowhere is this more evident than along Battery between Greenwich and Filbert, a tree-lined street hemmed in by Levi’s Plaza on both sides. Granted, there’s not much to do up here unless you’re either an employee on break from one of the area offices, or merely someone always on the lookout for yet another place in the city to laze it up. But it’s a pleasant enough hideaway that’s a leafy antidote to the clatter and clang of nearby Fisherman’s Wharf or the Financial District. And you never know when you may be overrun by a just-passing-through posse of early teens in matching tees....

Well, this is jarring. This morning at little before 11 a.m. at Pine and Battery a rather nasty accident happened. Reader Mike Miller sent SFist images and a brief report of the scene: Happened a little before 10:45 this morning….. other car involved was a red Mazda. Driver appeared OK, but they were treating him in the ambulance. Witnesses gave conflicting stories – one person said one of the cars was speeding the wrong......