Obama to explain why U.S. is in Afghanistan , its interests there and how he makes decision . Official : Papers showing plans to deploy 1,000 Marines next week are expected Thursday . NATO allies will also be asked to send more troops , officials say . Obama met with national security team Thursday night to discuss Afghanistan .
Obama to explain why U.S. is in Afghanistan , its interests there and how he made decision . Official : Papers seeking orders to deploy 1,000 Marines next month are expected Thursday . NATO allies will also be asked to send more troops , officials say . Obama met with national security team Monday night to discuss Afghanistan .