The US State Department has pushed employees toward "digital diplomacy" with Twitter and iPhone apps, but the department has banned all employees from using WikiLeaks.
The Pentagon is dependent upon contractors in the Afghanistan war. But many of the security companies are undermining – or even working against –the US war effort.
Obama's Iraq speech Tuesday at 8 p.m. ET will be a balancing act. The majority of Americans say the Iraq war was a mistake, but others say this isn't the time to end the US combat role.
China military exercise in the East China Sea was not a provocation at the US and South Korea, according to Chinese officials.
Recent visits to Latin America by China's Hu Jintao and Russia'a Dmitry Medvedev underscore how sometime US rivals are competing for business and geopolitical influence in the US's backyard.
A meeting between Brazil's President Luiz Inácio Lula da Silva and China's President Hu Jintao is expected to strengthen the two nations' growing economic ties. China already trumps the US as Brazil's top trading partner.
For the first time in three decades, the US and Brazil have a military agreement. Brazil is shopping for 36 new fighter jets, and the US is trying to counter growing Russian and Iranian influence in Latin America.
Though focused on wars in Iraq and Afghanistan, the US must mind other trouble spots.
NATO reform can’t come fast enough. European leaders must step up and persuade the public of the importance of the Afghan mission and the threat of Al Qaeda.
To protest the US's arms sales to Taiwan, China halted contact between the two nations' militaries, which has expanded in recent months to include study tours and naval exercises. China also threatened Tuesday to retaliate against US companies involved in the arms sales.