Let's start with two views of this problem, one from the East and one from the West. First, the
Bhûridatta Jataka, a Buddhist text making clear the Buddha's stance on the existence of an all-powerful creator-god:
If the creator of the world entire
They call God, of every being be the Lord
Why does he order such misfortune
And not create concord?
If the creator of the world entire
They call God, of every being be the Lord
Why prevail deceit, lies and ignorance
And he such inequity and injustice create?
If the creator of the world entire
They call God, of every being be the Lord
Then an evil master is he, (O Aritta)
Knowing what's right did let wrong prevail!
And now from
Dialogues Concerning Natural Religion, by David Hume, a Scottish philosopher of some note, paraphrasing Epicurus, a Greek philosopher also of some note:
Is [God] willing to prevent evil, but not able? then is he impotent.
Is he able, but not willing? then is he malevolent.
Is he both able and willing? whence then is evil?
For those who haven't read their Shakespeare in a while, you'll remember that "whence" means "from what place or source."
Most Christians who grapple with this problem are unwilling to budge on God's power and love, so, as a consequence, most attempts at theodicy (a solution to the Problem of Evil), attack the evil factor. It seems the most common argument is that what we experience as evil is not
really evil: it's all part of God's divine plan, and since we don't really know what God considers evil and has in store for us, it is too presumptuous of we humans to question him.
My first response to such an argument is this: Read Genesis. The Bible says evil exists. God created it, albeit via woman, and them blamed it on the rest of us. The Bible makes this all very clear. So no dice on the no evil argument.
Second, it matters little to a starving child or a tortured hostage what God thinks of evil and what his overall plan might be for the world. Real people suffer real pain unceasingly. Whether we can understand God is irrelevant. He should understand us. He should know that what may be a trifling occurrence in his grander scheme is often of great import and consequence to us piddling mortals.
This is why, from a theological and exegetic perspective, I have more respect for the Westboro Baptists who are at least honest about the wrath and spleen of God than I do for the Jesusfreaks who only want to talk about his infinite love for me and the world. Pshaw!