Lindsey Graham: The senator, soldier and statesman who never backed down

"The man who really counts in the world is the doer, not the mere critic — the man who actually does the work."

Theodore Roosevelt could have been describing Lindsey Graham.

I first came to know Lindsey not as Sen. Graham, but as Col. Graham, a man who regularly stepped away from his role as a senator to put on an Air Force uniform, go down range and train Afghan military lawyers.

He wanted to hear directly from the troops, see the mission with his own eyes and bring that ground truth back to Washington.

Lindsey didn't just talk a big game about supporting our troops. He backed up every word with 33 years of service in the Air Force, eight years as a congressman and 23 years as South Carolina's senator and elder statesman...