I agree that he came out the loser in the debate. Credit Chris Wallace for the playing field. The DEM dove the entire exchange by brining up irrelevant talkiing points, and Wallace was happy to assume the role of audience.
Gingrich should have responded to the Dem comment about Melania’s immigration status and how she obtained her green card by saying that we need more information on how the Khans obtained their green cards. I suspect this would be very fertile ground.