NOT his birth certificate.
He changes his name from Barry to Barack at Occidental College, he stops drinking and smoking and starts fasting every Sunday. He wasn't a Christian during his college years. Not that it matters what spiritual journey he was/is on, but he might want to be upfront about his background.
Yep, that sounds like a Muslim to me.
Daniel Pipes has been all over this issue. He said that at one point, Obama admitted that he had never been a *practicing* Muslim; thus conceding that he was raised a Muslim.
I wasn't aware of trips to Pakistan.