The U.S. Army is reorganizing to create smaller, more mobile units without sacrificing firepower. Some experts, however, wonder whether that aim addresses the lessons of Iraq.

U.S.-Vatican relations remain uneven following Joseph Ratzinger’s accession as Pope Benedict XVI, particularly as the Obama administration pursues a more liberal social agenda.

Sen. Barack Obama’s foreign policy team includes former State Department veterans and newcomers from academia who seek to reinvigorate U.S. diplomacy.