Thanks for the responses - I now understand the logic and it makes sense. I just was hoping there was a faster way to hand off the (VERY) occasional file to a RAW converter that seems to have a stronger recovery for the few files that invariably end up either blown out or under-exposed beyond the capabilities of DPP - at least as far as I know how to use it (which certainly may be a shortcoming of my skills and/or knowledge of DPP)...
I'll try and push to see if DPP is more capable than I am giving it credit for with experimenting and good old "trial and error" -
Although the more I think about it, I suppose the most obvious solution to my specific problem would be to use either Tv or Av exposure rather than full manual since the exposure problems are a result of extraordinarily extreme and rapid changes in lighting that happen when I am not able to make exposure changes since I have to be with the subjects rather than behind the camera (using a wireless shutter release). This makes changes to the manual exposure settings impossible - can't be two places at the same time.
Guess it's time to take advantage of the advances in still photography cameras that have become commonplace since I last used reflex cameras for anything more than family snapshots (over 40 years ago) - Having worked strictly in TV and motion pictures, it's very different working with crews rather than as an individual.
I greatly appreciate the explanations and will experiment with both using partially automated exposure settings and also with DPP's ability to recover seemingly lost detail due to drastically poor exposures. Again, maybe I'm selling DPP's abilities short, but thinking about it I suppose not taking advantage of the automated settings is just a mistake and an easier work-around for the dramatic lighting changes I have to deal with (unfortunately under the circumstances almost always with no time to re-shoot). Being completely dependent on full manual setting is, I suppose, just an old habit that has seen it's time to die come long ago...just more "user error". Time for the "old dog" to get with the "new tricks".
tonylong wrote in post #11962829
...... of course, if Camera Raw has tools that you want/need for a particulay file you can either use it for your Raw processing or you can Convert and Save in DPP then open a resulting tiff in Camera Raw.
That sounds ideal if I can't get DPP to do what I currently feel it lacks the power to do that Adobe Camera Raw can do quickly and easily ........but I have no idea how to open a "resulting tiff in Camera Raw" as you suggest.
That is possible? If so, then that would at least give me an option I hadn't realized existed. An option that even though I would hope would not be needed if I can exploit power that DPP may have that I am (so far) unaware of. No matter what, the more options, the better! 
Thanks!!
D.