Reading so much on the internet, I also had doubts. But for me there are no longer any doubts, and I like to spread truth, that is why I blog.
Here is just one lecture that may help you understand truth from fiction.
Rabbi Yitzchak Berkovits
“He Who is Compassionate to the Cruel Will Ultimately Become Cruel to the Compassionate”
[this is the audio, click here to watch video]