"As a nonprofit, churches are not supposed to get political. Perhaps time to review their nonprofit status, so they can start paying taxes like the rest of us."
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Whether they are making a "political" statement or a "spiritual" one is a matter of debate, argument, or discussion......as is their "non-profit" "tax-exempt" status.
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The "real issue" is the idea that "churches" can be "safe harbors" and "sanctuaries" that are "off-limits" to law enforcement agencies in their enforcement of laws and court orders.
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"Churches" (and "sanctuary cities") are not - not - "sovereign separate nations" that are completely separate from the United States where "law violators" can receive "sanctuary."
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It may be a "tradition" that started in Europe. But it is a stupid tradition. It may be a result of the "mythical wall" of "separation between church and state." But that "wall" is mythical. 
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Whether by probable cause or court order, ICE should just go in and get any law breakers.