How about this?
Conservatives think that all children deserve the right to show society who they can be and believe that if a person shows society that they are a blood thirsty killer they no longer deserve to live.
Liberals think that it is inhumane to end the life of a vicious killer but believe it is quite alright to abort a possible Einstein because a potential mother thinks it would a) be too much hassle, b) add to over population, c) destroy her body (pick one) to give birth to another human.