The final goodbyes have begun for Pope Francis.

Vatican residents and members of the papal household filed past his coffin in a guesthouse adjacent to the Vatican.

As Catholics around the world and gathering in Rome mourn Pope Francis,

those hoping to succeed him are preparing to engage in one of the oldest and most intriguing electoral contests.

Welcome to PowerPlay Politico's weekly podcast. I'm Anne McElvoy, if you haven't already,

please do follow the podcast. My guest this week knows the inner workings of the Vatican and its power play close up.

Francis Campbell was Britain's ambassador to the Holy See between 2005 and 2011.

He took the role not long after the death of Pope John Paul II, a few months into Benedict's

pontificate, which preceded Francis.

Brought up in Northern Ireland, Campbell was the first Catholic to represent the whole UK in the Vatican.

He was no stranger to the machinations of Downing Street either, a foreign policy advisor to Tony Blair,

a Catholic convert, as it turned out.

Now he's Vice-Chancellor of the University of

Notre Dame Australia. Francis Campbell, welcome to Power Play. Thank you and lovely to be here.

Now, as we look at the legacy of Pope Francis, he led a reforming ministry. Few could doubt that.

He adopted many more tolerant positions and a more open tone on some of the modern topics

that in some ways have caused a lot of difficulty for the Catholic Church.

I'm thinking of homosexuality where he said, who am I to judge when

asked if a gay person could become a priest, he advocated, as you know, so strongly for the

dispossessed for migrants, for refugees. And he invoked climate change with world leaders. So in

many ways, he seemed to have an open and a liberal mindset about the role,

but in the end he disappointed a lot of those who wanted more change. And he upset a lot of

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