I don't know why this is but for some reason (although everything looks fine in the presentation) when I go to the slideshow viewer random parts of the axis will dissappear or sometimes even the key will dissappear. Then other times the chart appears with no problems... This is a little embarrassing when it comes to the actual presentation as I have to weekly convince the audience that the chart is complete on my laptop screen! hahaaa, has anyone ever heard of this?