find it hard to believe that you are not smart enough to see the difference between American citizens, even criminals, going about their business here at home, and a man actively waging war against the United States.
You're not giving this power to Obama to use against verified enemies. You're giving this power to Obama to use against anyone he privately, secretly, with no verification or oversight, declares to be an enemy.
I find it hard to believe you are not smart enough to see how this could get out of hand - indeed, presents a far greater threat than any number of terrorists.