Clark hadn’t heard of the offer, nor was he surprised Lois hadn’t mentioned it him. She knew that after Lex shot her, any chance of civility between the two men was null and void.
I think that should be "it to him" at the end of the first sentance.
“Herb!” Clark said, moving toward him with his hand outstretched. “It’s good to see you.” He paused a moment to look around as if double-checking something, and then went on. “There’s so much I would like to discuss with you. Let’s go to lunch.” He grabbed his jacket off his chair, and quickly escorted Herb back to elevators.
I think it should be "back to the elevators" at the end there.
