US Protests Signal Frustration with Violence, Authorities

This has been a week of protests in the United States. Sparked by recent deaths of two African-American men by law enforcement officers and the killing of five police officers by an African-American man, demonstrations in major American cities reflect citizens' outrage. But while some target racial discrimination, others demand police reform — and still others blame violence on lax gun laws and social inequalities. Zlatica Hoke reports.