You can NOT be a Christian and support infanticide, gay marriage and the removal of Christ from the public square... This is not opinion but fact.
When a person votes for a candidate that openly holds these opinions, and for a party that holds these views, absolutely the Spirit of Christ is simply not in that person. I hate to break it to you.
Romans 2:1 "Therefore you are inexcusable, O man, whoever you are who judge, for in whatever you judge another you condemn yourself; for you who judge practice the same things."
Romans 14:4 "Who are you to judge another’s servant? To his own master he stands or falls. Indeed, he will be made to stand, for God is able to make him stand."
Matt. 7:1-3 " 1 “Judge not, that you be not judged. 2 For with what judgment you judge, you will be judged; and with the measure you use, it will be measured back to you. 3 And why do you look at the speck in your brother’s eye, but do not consider the plank in your own eye?"