manji. hirsi ali was collaborating with the dutch filmmaker theo van gogh on a film critical of islam, highly critical of islam, when van gogh was assassinated in 2004. the killer pinned a note to van gogh's chest that threatened the life of ayaan hirsi ali. she continues to live with security today. she's just published a book, "nomad," about her journey from somalia to america and her simultaneous journey from being a devout muslim to denouncing islam entirely. irshad manji is a liberal feminist muslim working to reform islam from within. she has been described as osama bin laden's worst nightmare. the two talked about the problems with islam and the solutions. >> welcome, both of you. >> thank you. >> ayaan, in your book one of the things you worry a lot about is muslims in america and the growing radicalization of islam in america.