Back in May, 2005, John Conyers scoured the House of Representatives for signatures on his DSM petition. 89 Representatives signed:
http://www.globalresearch.ca/articles/CON505B.htmlHow many were DLC? and is the percent so different from non-DLC? 10 DLC'ers signed out of 39 DLC'ers. That's 25.6% signatures for DLC Dems. 78 non-DLC Dems signed out of 163 non-DLC Dems. That's 47.9% signatures for non-DLC. So, yes, there is a significant difference between DLC Dems and non-DLC Dems on this issue.
Here is a listing of DLC representatives and whether or not they signed:
B. Schiff, Adam, U.S. Representative, CA No
Baird, Brian, U.S. Representative, WA Yes
Berkley, Shelley, U.S. Representative, NV Yes
Capps, Lois, U.S. Representative, CA No
Carnahan, Russ, U.S. Representative, MO No
Case, Ed, U.S. Representative, HI No
Chandler, Ben, U.S. Representative, KY No
Crowley, Joseph, U.S. Representative, NY No
Davis, Artur, U.S. Representative, AL No
Davis, Jim, U.S. Representative, FL No
Davis, Susan, U.S. Representative, CA No
Emanuel, Rahm, U.S. Representative, IL No
Engel, Eliot, U.S. Representative, NY No
Etheridge, Bob, U.S. Representative, NC No
Ford, Harold, Jr. , U.S. Representative, TN Yes
Harman, Jane, U.S. Representative, CA No
Herseth, Stephanie, U.S. Representative, SD No
Higgins, Brian, U.S. Representative, NY No
Holt, Rush, U.S. Representative, NJ Yes
Hooley, Darlene, U.S. Representative, OR No
Inslee, Jay, U.S. Representative, WA Yes
Israel, Steve, U.S. Representative, NY No
Kind, Ron, U.S. Representative, WI No
Larsen, Rick, U.S. Representative, WA No
Larson, John, U.S. Representative, CT No
McCarthy, Carolyn, U.S. Representative, NY Yes
McIntyre, Mike, U.S. Representative, NC No
Meeks, Gregory, U.S. Representative, NY Yes
Millender-McDonald, Juanita, U.S. Representative, CA No
Moore, Dennis, U.S. Representative, KS No
Moran, Jim, U.S. Representative, VA Yes
Price, David, U.S. Representative, NC No
Sanchez, Loretta, U.S. Representative, CA No
Schwartz, Allyson, U.S. Representative, PA No
Scott, David, U.S. Representative, GA No
Smith, Adam, U.S. Representative, WA No
Tauscher, Ellen, U.S. Representative, CA Yes
Udall, Tom, U.S. Representative, NM No
Wu, David, U.S. Representative, OR Yes
P.S. I did a similar analysis for the recent HR Patriot Act resolution. There was a difference there, too:
http://www.democraticunderground.com/discuss/duboard.php?az=view_all&address=132x1961268