Ron Barber plans to attend every event he can to remember the tragic day nearly a year ago when a gunman opened fire as Rep. Gabrielle Giffords was meeting with constituents. The congresswoman was shot in the head, and six people were killed. (Associated Press)

Ron Barber plans to attend every event he can to remember the tragic day nearly a year ago when a gunman opened fire as Rep. Gabrielle Giffords was meeting with constituents. The congresswoman was shot in the head, and six people were killed. (Associated Press)