Poll: Is it beneath Pope Benedict XVI to engage with the masses on Twitter? The Pope joins the Dalai Lama (5.6 million followers) to beef up Twitter's regiment of religious leaders who engage with believers on the site. For the moment, new Archbishop of Canterbury Justin Welby has not signed up. What do you make of the Vatican's decision: is it a wise move for the 85-year-old Pope to jump on board? Have your say in our poll below. web survey