Throw them all out!
There are two who are in real danger of primary defeats.
One, Jim Kolbe (R-AZ), faces a primary challenge from ex-state Representative Randy Graf. Graf is emphasizing border security but is also strongly pro-life.
Joe Schwarz (R-MI) first won last year because several pro-life candidates split the conservative vote. If conservatives can rally around one candidate, he can win if he gets proper support.
The Republican National Coalition For Life should focus their recourses on those two winnable races.