I really think the most important thing I do is to protect the dignity and the integrity of the Office of the Surgeon General.

In honor of Surgeon General Koop's legacy, we should ensure that the position of surgeon general is protected from political interference, funded appropriately and nominated from the ranks of career public health professionals who merit consideration, as is done in the other uniformed services.

I grew up in Harlem. My grandmother was one of the best cooks around, but the first thing she did on Sunday mornings when she started cooking a daylong meal was to take a big block of lard from the back of the refrigerator and throw it into the pan. I know how Hispanics buy their food, and it is not always nutritious.

I really think the most important thing I do is to protect the dignity and the integrity of the Office of the Surgeon General.

I am not a Hispanic candidate. I am an American candidate who happens to be of Hispanic heritage, who understands the culture, who has worked the border and has a unique understanding of those issues. But rest assured my job is to represent all Americans as a U.S. senator.

I've had opportunities before to run for office - the Republicans recruited me when I was surgeon general, to run for Congress, to run against Gov. Napolitano. But I didn't feel it was my calling... I felt, 'Well, I'm flattered, but I really would rather stay and be the doctor of the nation and stay as surgeon general.'

In 1967, I signed up for the Army where I earned an equivalency diploma, then went on to join the Special Forces. That was really was the turning point in my life. I became more disciplined and focused. I went overseas and was in combat, got wounded a couple of times, lost a lot of good friends but matured a great deal.