The ideological center of the wealthiest, most powerful country would appear to justify a cardinal. What factors are at play?

Cardinals returned to the Sistine Chapel on Thursday to resume voting for a new pope and crowds flocked back to St. Peter's Square to await their decision, after the first conclave ballot failed to find a winner during a longer-than-expected voting session.

The conclave was called after Francis died on April 21 at age 88. There was a delay between his death and the conclave to allow time for a funeral, burial and a period of mourning. It was also necessary to give cardinals time to arrive in Rome from all corners of the Earth,