Outgoing Homeland Security Secretary Janet Napolitano yesterday said that the most important lesson in her four-plus years as the head of the Department of Homeland Security (DHS) is the need to be agile and adaptable to myriad and changing threats. “In a world of evolving threats, the key to our success is the ability to be flexible and agile, and adapt to changing circumstances on the ground, whether that is across the globe, or here at home,” Napolitano said in…
