http://www.nytimes.com/2004/10/12/politics/campaign/12catholics.html
They used their influence to sway voters towards Bush.
"these bishops and like-minded Catholic groups are blanketing churches with guides identifying abortion, gay marriage and the stem cell debate as among a handful of "non-negotiable issues.""
"To the dismay of liberal Catholics and some other bishops, traditional church concerns about the death penalty or war are often not mentioned."
Abortion, stem cell research, gay marriage - bad
War, death penalty - good
Doesn't matter what the 10 commandments are, they are picking whatever suits their needs.