Gallup's daily tracking poll has Gingrich down several points. TPM's poll of polls (above) also has Gingrich on the decline. Doug Mataconis wonders what comes next:
[I]t’s not too surprising that Gingrich’s rise would be halted at some point once the attacks started. The real question is whether he continues to slip in the polls and who it benefits. Right now, it doesn’t seem like anyone has benefited from this initial dip. Instead, some voters have gone back to sitting on the sidelines in the undecided category.
The Dish 