Filed under: HDTV, Home EntertainmentWe've resisted the temptation to map the next-gen format war to Greek tragedy this long, but if Sony CEO Howard Stringer keeps giving speeches calling the conflict a "stalemate" and "a matter of prestige," we're not going to be able to hold off much longer. Speaking in Manhattan, Stringer said while "it's a difficult fight," Blu-ray was winning "on the merits" for a time before Paramount went HD DVD exclusively and that now the issue would be decided on other factors, like prestige -- but that "it's not as