John Corbett and Nia Vardalos in My Big Fat Greek Wedding.By Hap ErsteinJoel Zwick is rarely mentioned in the company of such great directors as Steven Spielberg, Martin Scorsese or Francis Ford Coppola, but he has achieved something that none of them has.He directed the highest-grossing romantic comedy of all-time, a little independent film called My Big Fat Greek Wedding, … [Read more...]