Why the question of Christian vs. Muslim refugees has become so incredibly divisive.

I saw a news bit about Christians and refugees from Syria. It got me to thinking about my attitude towards allowing the refugees into our country. This article confuses me even more. I know what I'm supposed to do as a Christian, but, should commen sense come into play with what's happening in our world? Tell me what you think. This is not about Christianity vs Muslim religion. It's about whether we should allow possible terrorists into our country. I know some are already here. Nobody knows where and when they will attack next. Please don't make this about your religious beliefs except towards allowing Syrians into our country. This picture shows grown men in a raft fleeing Syria. Where are the women, old people, and kids?
And now for the rest of the story:
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Christians make up a tiny percentage of the Syrian refugees the United States has resettled. Is that wrong?

The topic is raging this week, with multiple governors and GOP presidential candidates saying Syrian refugees should be shut out after the Paris attacks by Muslim radicals. President Obama then said it was “shameful” to have a religious test for refugees of war. “That’s not American. That’s not who we are. We don’t have religious tests to our compassion,” he said.

[“Amongst the migrants, there are some terrorists"]

In fact, the role of religion in how refugees are considered and how the United States looks at persecution is more complicated. Religion is considered by both the United Nations and the State Department, which defines a refugee as “someone who has fled from his or her home country and cannot return because he or she has a well-founded fear of persecution based on religion, race, nationality, political opinion or membership in a particular social group.”

https://www.washingtonpost.com/news/acts-of-faith/wp/2015/11/19/why-the-question-of-christian-vs-muslim-refugees-has-become-so-incredibly-divisive/