Original sentence: After AT&T connected a line from Springfield to Kansas City (which could feed to the network via Chicago), and modifications were made to the Jewell (including extending the stage, upgrading the lighting grid and adding a control room), the program returned to the theater with the first broadcast April 30
Edited sentence: After AT&T connected a line from Springfield to Kansas City (which could feed to the network via Chicago), and modifications were made to the Jewell (including extending the stage and adding a control room), the program returned to the theater with the first broadcast April 30