Archbishop of Canterbury, Trump critic Justin Welby resigns. What is the sex abuse scandal?

Archbishop of Canterbury Justin Welby announced his resignation amid mounting pressure over his handling of sexual abuse allegations. The scandal involves late John Smyth, who was accused of abusing numerous boys over decades. Welby, who also presided over Prince Harry and Meghan Markle's wedding and King Charles III's coronation, expressed remorse for his inaction.