City parents’ demand for charter-school seats just hit a new high, with nearly 80,000 lottery applicants. Unfortunately, the effort to choke charters’ growth means they’re competing for just 26,900 available seats. In the latest outrage, Carranza refuses to declare an emergency to end-run technical issues that stand in the way of giving the Success Academy its promised classrooms in a Bed-Stuy school building that has 900 empty seats.