innovation, the training of doctors and ducators and scientists and entrepreneurs.ou can't help but visit a like this and feel the promise of the future. i'm here. because it is going to be young people like you and universities like this that will shape the merican economy and set the conditions for middle class growth well into the 21st century. obviously recent months have seen their fair share of turmoil around the globe. but one thing should be crystal clear. leadership is the one constant in an uncertain world. it is america. diplomats, lead the fight that ultimately group the terrorist known as isis. t is our doctors, our scientists, our know how that ebolathe fight to contain in west africa. it is america, our colleges, unrivaled hools, our private sector that attracts so to our shores to study and start businesses and of the most challenging problems in the world. when alarms go off somewhere in he world, whether it is a disaster that is natural or an-made, when there is an idea or invention that can make a difference, this is where things start. this is wh