GOP's Kevin Hern wins Oklahoma Senate primary to replace Mullin
Rep. Kevin Hern (R-OK) won Tuesday’s Oklahoma Republican Senate primary, all but ensuring a November general election victory in the solidly red state.

TL;DR
- Rep. Kevin Hern (R-OK) won the Oklahoma Republican Senate primary.
- President Donald Trump endorsed Hern.
- Hern is heavily favored to win the general election in November.
- The Senate seat was vacated by Markwayne Mullin, now Homeland Security Secretary.
- Oklahoma law allows the November winner to take the seat immediately in the fall.
- Several other GOP-controlled Senate seats are open this cycle in states like Montana, Louisiana, Kentucky, Alabama, and Wyoming.
- Several Republicans are competing for Hern's House seat in Oklahoma's 1st Congressional District.