Fawning studio hosts were not likely to try to make news by attempting to trap Newt in an answer he didn't want to give. Debate moderators and the other candidates for the nomination have not been as recalcitrant.
The anti-Gingrich barrage of advertising has had the desired effect. A number of late-coming Gingrich supporters have dropped back off his parade float.
As people are learning more about Newt's post-Speaker activities - lumped together as "Newt, Inc." - and hear him say things (as he did over the weekend) like he would ignore Supreme Court decisions with which he disagrees, they are meeting a Newt Gingrich with which they were not familiar and whom they may not like as much.
The Punditocracy will be at a fever pitch as it tries to determine the permutations and combinations of what various caucus night results will lead to. The polls are fun to read and analyze but Iowa Republicans will make the decision, which is exactly how it should be.