Or maybe he just wanted to join the pack of his fellow Republicans who DECLINED: John Linder, leaving Doug Heckman the floor for GA-07; Tom Price, leaving Bill Jones free rein in GA-06; and Lynn "uppity" Westmoreland, leaving Stephen Camp GA-03 camped in front of the TV cameras.
Jack only debated Bill once, in Brunswick, where Bill trounced him, so it's no wonder Jack has backed out of the two debates scheduled since then.