SUre would like to see the list of signatories, which AP seems to have left out of its article.
There are zero Democratic pro-life Catholic congressmen. I think they are counting people like Nancy Landrieu as pro-lifers. The only pro-life Democrats are a dwindling number of southern conservatives. Denise Kookysnitch (D-Jupiter, OH) was one of the last. He's now a pro-babyslaughter Bhuddist.