President Obama speaks at West Point 's ninth wartime commencement . Obama : Despite challenges , `` we will succeed in Afghanistan '' World fight against al Qaeda `` necessary and just '' We must not let terrorists take advantage of the chaos to attack us again or anywhere else around the world.
President Obama speaks at West Point 's ninth wartime commencement . Obama : Despite challenges , `` we will succeed in Afghanistan '' World fight against al Qaeda `` necessary and just '' Obama hails West Point milestone ; two top cadets both female .