Republican

Stovall is challenging John Cornyn for the Republican nomination for Senate in the March Primary

His announcement Wednesday brings the number of House Republicans retiring next year to 15.

2018 midterm elections results

Voters turning out in record numbers in some locations

Final election results from the March 1, 2016 Primary race

As of late Tuesday, just .3 percentage points separate Mitt Romney and Rick Santorum in the Ohio Primary, with Rick Santorum holding the narrow lead.