Most healthy 25 year olds don't stay up at night worrying whether they are going to develop diabetes in middle age. The disease is not on their radar, and middle age is a lifetime away. As it turns out, many should be concerned.

Anyone can make a mistake when speaking off the cuff, and no one knows this better than politicians. But Barack Obama, as the first black President of the United States, probably knows better than most how hurtful and damaging off the cuff discriminatory remarks can be.