UPDATE:
FINALLY!!!
This guy had me soooo worried but he finally started to eat. I completely covered his cage with a black sheet and left him alone for a week....without making much noise and opening up just enough to dangle a mouse from a pair of tongs...I sat there, cage still mostly covered, ddangling the mouse....and WHAM!!!
knocked the tongs right our of my hand!! He took the one mouse and no more than that (three days ago)...today he ate two small mice....I'll up his feedings slowly
Looks like Scar isn't afraid anymore!
Thanks for everyone's help and suggestions...it really helped