Cardinals from around the world attend a meeting at the Vatican on Monday. They have gathered for their first round of meetings before the conclave to elect the next pope.
A Palestinian laborer works at the site of a residential construction project funded by the United Nations Relief and Works Agency for Palestine Refugees in Rafah, in the southern Gaza Strip, on Mar. 21, 2012.
Said Khatib/AFP/Getty Images
President Obama is expected to nominate Gina McCarthy, currently assistant administrator with the Environmental Protection Agency, to head the agency on Monday. The nomination requires a Senate confirmation.