Here's a lecture by the Protestant apologist William Lane Craig. I haven't listened yet, but I'm typically a fan of his work. Since he primarily works countering secular thought, I find I can agree with him more often than not -- though I do occasionally disagree. In any case, I think he's among the best Protestant representatives in the cultural dialogs, and therefore I'm linking the following...
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Internationally acclaimed religious scholar, theologian, and philosopher, Dr. William Lane Craig will speak to us on the topic of religion's interaction with morality. Is this a serious issue? Can we be moral beings without a God? Dr. Craig address these issues, and also takes questions at the end of his lecture.

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"Faith then cometh by hearing; and hearing by the word of Christ."
Rom 10:17(DRV)