"You ask me what does it feel like to be poised to do this, as someone who came from a neighborhood like I did to be able to step into this moment right now where we can transform our criminal justice system and have the support of all of you, you have no idea how much that means," Foxx tells the troops. "I will not let you down. This is a responsibility that I owe to all of you, and I'm grateful for this moment."