Those who couldn't make it to beautiful Bryant Park yesterday on a gorgeous September day to show their support for those who are living in horrendous conditions and giving their lives in Iraq to save our sorry behinds now have a wonderful stroke of good luck: another chance to redeem themselves. The Cindy Sheehan show is scheduled for both 6:30 p.m. (their website) and 8 p.m. (their press release) at St. John the Divine, Amsterdam Avenue at 112th St. (Take the 1 train to 110th Street and Broadway, or take the B or C to 110th Street and Central Park...