GETTYSBURG, Pa. -- Two panels of the historic cyclorama painting in Gettysburg have been cut from the giant canvas. It was clearly a delicate operation as workers freed a section of the painting. It was slowly lowered to the ground. One wrong move and the panel could have torn and literally become pieces of history."I don't know if you heard my heart beating, but I was quite nervous and excited at the same time," said Elliot Gruber, with the Gettysburg National Battlefield Museum Foundation. Video Easy Does It The 120-year-old painting entitled "The Battle of Gettysburg" depicts the famous Confederate...