In his commencement address, President Obama told the cadets he believes the nature of the war in Afghanistan has changed since it began in 2001, but that it is no less important today.

VOA: standard.2010.05.22

Or,they can represent someone less well known but historically important.

VOA: special.2010.01.27

He says the region's Baluch people have important ethnic and cultural differences from Pashtuns in the tribal belt that make them less willing to harbor militants.

VOA: standard.2009.03.19