Spying claims hit Brazil president's visit to U.S.

The United States and Brazil jointly agree to postpone Brazilian President Dilma Rousseff's visit to Washington after reports the U.S. was spying on the country. FULL STORY

• Brazil's uproar over NSA grows
• NSA: Snooping crucial to fight terror
• Inside surveillance revelations  
• NSA has 'cracked online encryption'

NAVAL BASE SHOOTING

• Police search for U.S. massacre motive
• INFOGRAPHIC Remembering victims
• Arrest led to attacker's discharge
• What's at base? | Tight security?
• Opinion: Gun control no answer