“You shoulda been there,” John Merrow wrote on his blog a few days ago, referring to our inaugural Independent Charter School Symposium. Indeed, you shoulda -- but many were and many more would have been if we’d had the wherewithal to advertise more broadly. For a fledgling in a crowded nest of education conferences, the Symposium overperformed and there’s every reason to believe that the goodwill and energy unleashed at the conference has the potential to change the stagnant conversations around chartered...