Only stupid or insecure or misguided people become followers of Jesus, right? That is an attitude one inevitably encounters while working for a U.S. senator or representative. But then there is Professor John Lennox, the Irish mathematician from Oxford university, who not only is incredibly intelligent but also among the world’s most effective apologists for Christianity. In this interview on Britain’s Premier Christian Radio, Lennox is asked by host Justin Brierley about Christians who fear having their faith challenged by non-believers and thus keep themselves in a sort of “Christian bubble” that is separate from the world around. “Yes, it...