He defeated Democratic nominee Diana Cubbage in the general election , by a margin of 20,773 to 10,922 -- 65.5 percent to 34.5 percent .
Donovan was unopposed in the 2012 Republican primary .
Donovan defeated Democratic nominee Diana Cubbage in the general election , by a margin of 20,773 to 10,922 -- 65.5 percent to 34.5 percent .
Donovan was unopposed in the 2012 Republican primary .