. . "For example, reviewing pictures through Lightroom is a slow and tedious process; if I simply want to look at a slideshow of pictures, it???s generally easier to do so through the slide viewer on my operating system (Windows in my case)One thing I???ve learned the hard way is that once a catalog is in Lightroom, any changes at all, including deleting pictures from a hard drive, has to be done throu" . . .