https://cola.unh.edu/sites/cola.unh.edu/files/research_publications/gsp2016_spring_cong041816.pdf
Guinta (R-NH) trails Carol Shea-Porter by 42 points and his primary challengers are largely unknown.
If Guinta Ran for Re-Election in 2016, Would You...
...Definitely vote for Guinta: 4%
Consider voting for Guinta: 22%
Definitely vote for the other candidate: 46%
Too bad his name is not Francie Guinta. Anyway, a Carol Shea-Porter vs. Frank Guinta race would be safe D, period. Guinta will lose Blanche Lincoln style, most likely worse than that.
Uh-oh. This is about as ugly as it gets for an incumbent. There's still nearly five months until the primary, enough time for the other Republicans to catch up.