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. … Continue reading Tonight on AC360: Giffords improves, but she'll never be the same