Rep. Tim Huelskamp (R-Kan.) narrowly defeated primary challenger Alan LaPolice.
The Michigan libertarian hero was an early target of business-minded Republicans in D.C.
Primary opponent had earlier questioned whether Conyers had returned enough valid signatures.
The GOP incumbent easily beat back unlikely challenge from the district's former congressman.
Debbie Dingell looks set to succeed her retiring husband, the longest serving House member.
Ex-state Senate Leader Mike Bishop gets nomination over Tea Party hopeful.
Rep. Kerry Bentivolio (R-Mich.) becomes the third House incumbent to lose this cycle.
Barbara Comstock (R) is running for an open swing seat in the D.C. suburbs.
Rep. Kerry Bentivolio (R-Mich.) is likely to lose but Justin Amash (R-Mich.) should hang on.
DCCC is running Spanish-language ads against GOP incumbents on immigration.