Reactions to Obama's decision to keep troops in Afghanistan
One of the US's longest-running wars - the war in Afghanistan - is set to last a while longer. President Obama announced US troops would be staying in the country past 2017, well after his time in office is up. We take a look at the presence of US troops around the globe. Also, on the US series Homeland, Arab graffiti artists sneak in a message to viewers: Homeland is racist.