Editor's note: See more of Dana Bash's interview with Gabby Giffords and Mark Kelly on AC360° at 8 and 10 p.m. ET tonight.
What is most shocking about Gabby Giffords now is how much she looks like her old self. Her golden locks are back, so is the sparkle in her eyes and her broad smile. Gone is the short hair and thin frame we saw at the beginning of her recovery.
Yet she knows she will never be the same.
"Stronger. Stronger, better, tougher. Stronger, better, tougher." That's how Giffords describes herself.
The former Arizona congresswoman makes that declaration with determination and gusto. But it still takes a considerable amount of energy and concentration to articulate that, or anything else.
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