BLOODBATH LIST Mon Nov 07 2005 11:02:35 ET Average weekday circulation of America's 20 biggest newspapers for the six-month period ended Sept. 30, as reported Monday by the Audit Bureau of Circulations. [The percentage changes are from the comparable year-ago period.] 1. USA Today, 2,296,335, down 0.59 percent 2. The Wall Street Journal, 2,083,660, down 1.10 percent 3. The New York Times, 1,126,190, up 0.46 percent 4. Los Angeles Times, 843,432, down 3.79 percent 5. New York Daily News, 688,584, down 3.70 percent 6. The Washington Post, 678,779, down 4.09 percent 7. New York Post, 662,681, down 1.74 percent 8....