An anti-gun legislation activist wearing a Guy Fawkes mask holds sign at the Colorado State Capital Building during an anti-gun control legislation rally organized by Guns for Everyone in Denver, Colorado Jan 9, 2013. Vice-President Joe Biden said on Wednesday the White House plans to act quickly to curb gun violence and will explore all avenues - including executive orders that would not require the approval of Congress - to try to prevent incidents like last month's massacre at a Connecticut school.[Photo/Agencies]

Supporters of former Haitian President Jean-Bertrand Aristide shout slogans and hold signs outside a courthouse in Port-au-Prince Jan 9, 2013. A prosecutor questioned Aristide on Wednesday over accusations he used homeless children to elicit donations that were later used to help fund his political career. The signs read, "MOLEGHAF says down with all manipulation" (L) and "MOLEGHAF says down with all conspiracies".[Photo/Agencies]