The confetti wafted onto his impossibly square shoulders. The Nashville audience stood and roared. Then a medal on a royal-blue ribbon was draped around Miami-Dade schools superintendent Alberto Carvalho's neck. Last month, after more than five years of agonizingly hard work, the self-proclaimed son of "pretty dramatic poverty" who grew up in a one-bedroom apartment with no electricity or running water was named the nation's school... More >>>