"How can I believe anything in the bible?"

Dear John : (That's a charming greeting, don't you think?)
Your momentary doubt is a natural evolution of your intellectual and spiritual growth. Embrace it.
Open your heart to the questions; explore them with your clergy friends and the members of your church.
You will find that we live in a community where inquiry is a gift - where your thoughtful consideration of these issues is welcomed.
And remember - Jesus died to take away your sins; not your intellect. Stop beating yourself up for growing, learning and becoming a better man.
Thinking, sinning; get clear about each and don't confuse one with the other.