In line again, hoping they get it By Toby Zinman
<em>A Chorus Line</em> has become a legend since it opened in 1975, running longer, winning more prizes, playing to audiences all over the world. Reviewing it is like reviewing a Danielle Steel novel after it's sold a gazillion copies: It's not really any good, but who cares? The production that just opened at the long-dark Forrest Theatre is like a used paperback copy of that Danielle Steel novel - serviceable, but …