Outside a movie theater, a rallying cry has launched. "When I say 'Zac,' you say 'Efron!'" "Zac!" "Efron!" "Zac!" "Efron!" On a warm, sunny day, a crowd of more than 1,300 teen daughters and young wives of deployed Marines have gathered (along with a sprinkling of men), each waiting anxiously for the arrival of Zac Efron....