well Michelle...one could start by removing support for infanticide (the Obamas believe babies who survive abortion should not receive medical treatment -but should be allowed to die post-birth).
Then one could remove support for partial-birth abortion...
After those two barbaric atrocities, we could move onto the rest of the slaughter of millions of babies.
That would be a good place to start don’cha think?
You made me want to look into it a little more -- here's her letter doing just that:
http://www.prolifeblogs.com/articles/archives/2006/10/post_5.php