Abortion is legal because the justices on the SCOTUS wanted it to be-period. 

Who is forcing gays to live promiscuously? Who is telling gay people they can't commit to each other?  People do not need marriage to love and commit to each other.  

The site does not give me enough words to reply to the rest of your post.  I will just have to ask a question: if you believe all that, why are you Catholic?  See--if the Church actually taught what you want it to teach, I would leave.  I would not stay with a Church that proposes things for belief I believe are wrong.