Thanks to all for all of your help. The problem is solved, though I'm not exactly sure what the problem was, since I made several changes, but my guess would be the problem was using unshielded interconnects.
First, I finally got in touch with Lloyd, and checked the DC offset in my Walker phono stage, it checked out fine. Then, I noticed that I had moved the turntable motor to adjust the belt drive higher on the platter, so I put the motor back into it's original position at the very bottom of the platter. Finally, I changed the 2 meter interconnects from my Walker Signature phono stage to my VAC integrated amp from unshielded XLO Signature 3 to shielded Von Gaylord Chinchilla, and Viola!! The noise floor is gone. Licorice Pizza sounds wonderful again, I'm spinning Jazz at the Pawnshop right now.
I've notice that the volume control knob is lower now, control knob at 11 o'clock. This I can't explain, except that maybe I was trying to turn the volume up louder to hear the music, but in doing so, it also raised the noise floor too.
Anyway, many thanks to all again for all of your help. A happy and healthy new year to all!
Cheers,
John