The only Dem sponsor is Sen Conrad (D-ND).
Here are links to S.653 info and the bill's language.
http://thomas.loc.gov/cgi-bin/query
http://www3.capwiz.com/c-span/issues/bills/?billnum=S.653&congress=109&size=full
You means there's no Dem sponsers on the House side?
Of course, Kent Conrad is up for reelection in '06 in heavily Republican North Dakota and might face popular Governor John Hoeven.