jenny kim is in tucson with a day of reflection and remembrance. >> reporter: in one of her first publicppearances in tucson since being shot, congresswoman gabrielle giffords joined hundreds of others at the university of airs tonight. in a strong, passional voice led the crowd in the pledge of allegiance. >> indivisible with liberty and justice for all. >> guided by her husband, astronaut, she lit the first candle marking the vigil of a one year anniversary of an event that forever scarred tucson. >> there is the reality for many of us that there are dreams for our family's future that we'll just have to let go. >> one year ago today a mentally ill gunman unleashed his frustrations and anger on the congresswoman and 18 others in front of a grocery store where gabrielle giffords was hosting a meet and greet. six people lost their lives. over the past year, gifford miraculous recovery has captivated the nation. tonight her hometown is seeing firsthand how hope, strength and courage can overcome even the worst adversity. on this anniversary, bells tolled, memories stirred and promises wer