javascript variable becomes ""not defined"" after next promise call

Thanks Dan for the suggestion on chaining versus nesting.  That approach is certainly much easier to follow and easier to read.  

I tried that with another script, and I think i did not get it quite right.  The second $get is not returning the new values into the function(xml).  

If you have a chance to look at it I would greatly appreciate it.  It is under a different question, 

Chained Jquery Call Not Working

thanks, Dean