Some inner-circle conflict can be of help to a president, but building a sense of teamwork will be key.
His choice of Gates, Clinton, and Jones reflects his goal of building a bipartisan cabinet.
Obama's popularity abroad may not get him the extra forces in Afghanistan from NATO allies.
Keeping the Defense secretary allows Obama's team to move quickly on a foreign-policy challenges.
A new interactive video encourages soldiers to seek help to cope with the stress of war.
The President-elect is likely to rely on Republicans as well as Democrats to advise him and carry out policy.