Is he in Yemen?
Does it matter? If Christians, or any other group, were declared enemy combatants because of their beliefs that the government had become tyrannical can you tell me that you would back the government in killing them wherever they are?
At this point its easy to see where the government will turn on us as citizens. Kids in school are being suspended for simply stating their belief that homosexuality is wrong. Town clerks are being fired for not giving marriage licenses to same sex couples.
At this point in time we need to uphold the constitution at all costs.