Obama slams 'completely unacceptable' cop killing
President Barack Obama vowed to push for police officer safety after a Texas sheriff's deputy was gunned down from behind and shot multiple times at close range.
Bush praises New Orleans 'resilience' after Katrina
Former president George W. Bush, who faced fierce criticism for the botched government response to Hurricane Katrina, returned to New Orleans to mark the storm's 10th anniversary.
Guatemala's president may face corruption trial
Guatemala's Supreme Court gave a green light for embattled President Otto Perez to be investigated for graft in the corruption scandal rocking his government.