Q: I am now going to the local library for videos of TV shows thanks to what has become a shambles on off-network programming. Due to the horrendous editing of golden-age programs, I cannot understand plots anymore with over 15 minutes missing. There is never a slide saying the show has been edited like when there is with a feature film. A: The amount of commercial time in a program has grown over the years (to about a third of the total running time). With older programs where the original commercial load was smaller, some programmers and syndicators will often trim content and/or speed up th…