"I believe force should be a tool of last resort, not first. I understand the full weight of what it means to ask young, proud Americans to stand in the breach. As was referenced by the Secretary, my son Beau served in Iraq for a year. I’m the first President in 40 years, I’m told, who had a son or daughter who served in a warzone. So I know what it’s like. Being Commander-in-Chief is an enormous responsibility and one that I will never take lightly or easily."