Justin Welby has already criticised the government over its welfare reforms and will have to deal with controversial issues which have long threatened to split the Anglican communion.
We hear from Mark and Paul Thake, gay rights campaigner Peter Tatchell, Rev Rachel Weir from Women And The Church and Justin Welby's biographer Andrew Atherstone.
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Saturday's weather for the east with Philippa
Saturday's weather for the west with Philippa
Memorial events are taking place in tribute to the victims of the Shoreham air crash.