Joe Nathan, who helped write the nation's first charter school law, urged Hawaii educators Tuesday to celebrate the expansion and successes of the charter movement even as they grapple with growing pains.

"We will not make progress without agitation," said Nathan, keynote speaker at the 10th Annual Hawaii Charter Schools Conference in Kaneohe. "We will not make progress without mistakes. We can acknowledge them, we can learn from them and we can move on." Login for more...