How Can 50% of Christians NOT Vote?

50% of Christians don't vote. First, we may not want all "Christians" to vote if they're "Christian" like James Talarico, but assuming we have God-fearing, Bible-believing Americans not voting, how can that be? Voting is a great way to love your neighbor and to do good for our country. Our Puritans knew it was. Let's go back to a sermon from the 1600's about "doing good" for your country.