VATICAN CITY - The moment Cardinal Albino Luciani learned his colleagues had elected him pope, he responded: "May God forgive you for what you've done." The remark, by the man who became Pope John Paul I, was seen as an expression of humility - but also a commentary on the mammoth task ahead.
There is no job like that of pope. He is the CEO of a global enterprise, head of state, a moral voice in the world and, in the eyes of Roman Catholics, Christ's representative on Earth.
And the man who emerges as pontiff from the conclave that begins today has a particularly crushing to-do list. Here are some of the challenges awaiting the next pope:
REFORM
The next pope will have to restore discipline to the scandal-plagued central administration of the church. Benedict XVI, the former pope, commissioned a report on the Vatican bureaucracy, or Curia, that will be shown only to his successor. Benedict's butler had leaked the pope's private papers revealing feuding, corruption and cronyism at the highest levels of administration. The Curia decides everything from bishop appointments and liturgy to parish closings and discipline for abusive priests.
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SEX ABUSE
The Vatican remains under pressure to reveal more about its past role in the church's failures to protect children worldwide. The issue erupted ahead of the conclave, when victims from the U.S., Chile and Mexico pressured cardinals to recuse themselves because they had shielded priests from prosecution. Benedict instructed bishops around the world to craft policies to keep abusers from the priesthood, but church leaders in some nations haven't yet complied.
EMPTY PEWS
Secularism has already taken a toll on churches in Europe and the U.S., where a growing number of people don't identify with a faith. As the church loses members, it also loses influence in public life in many countries. The next pope must be a missionary-in-chief, with the gravitas, charisma and personal holiness to bring Catholics back to church.
EMPTY PULPITS
Europe and North America need more priests. Clergy in developing countries need more resources. And everywhere, priests are struggling with the outsized burdens of the modern-day pastor. In recent years, some priests have made their own proposals to strengthen their ranks. Clergy in heavily Catholic Austria in 2011 called for ordaining women and relaxing the celibacy requirement. Benedict rebuked them.
RELIGIOUS PERSECUTION
Catholics and other Christians live as religious minorities in many countries, including Syria, India and China, where they face discrimination, government interference and, in many cases, violence as they try to practice their faith. Some of the tougher conditions are in Muslim nations, which often ban and punish Christian evangelizing. Addressing the issue requires utmost diplomacy; a misstep can cost lives.
GLOBALIZATION
While the church is shrinking in the West, it's booming in Africa and Asia. The new pope will have to shift much of his attention to the challenges for these relatively new dioceses: a life-and-death fight against poverty; threats from radical Muslim movements; and maintaining Catholic orthodoxy while leaving room for local styles of worship.
OTHER FAITHS
The new pope will have to keep up friendships with a long list of other Christian groups and other religions, including Orthodox Christians, Anglicans and Jews. But his most pressing task will be navigating relations with Islam.
UNITY
The next pontiff inherits a church divided over the role of lay people and women, on doctrine and social justice teaching - even on what is required to be considered Catholic. In Benedict's final audience with cardinals, he urged them to work "like an orchestra" where "agreement and harmony" can be reached despite diversity. He could have been talking to the whole church.

