James Lankford leads T.W. Shannon by 8 points ahead of Tuesday but he's below 50 percent.
Rep. James Lankford is facing off against T.W. Shannon in the Oklahoma Senate primary.
They're touting T.W. Shannon as part of a “new generation of conservative leaders.”
A group backing T.W. Shannon is attacking Rep. James Lankford for voting to raise debt limit.
Rep. James Lankford (R-Okla.) has introduced a bill to rescind outdated earmarks for transportation...
A survey from a pro-Shannon group shows him up 10 points over Rep. James Lankford (R-Okla.).
He's quickly become the anti-establishment GOP favorite over Rep. James Lankford (R-Okla.).
The nod could give him a boost with social conservatives in his Senate primary.
Congress will have 60 days to reject the proposal before it takes effect.
The panel chairman is summoning a former top official to clarify testimony.
Randy Brogdon will drop his primary challenge to the Okla. gov. and make a bid for Senate.
Rep. James Lankford (R-Okla.) leads a pack of other Republicans in the poll.
Two new ads for state Rep. T.W. Shannon are a last push for support before Tuesday.
Sen. Tom Coburn decried negative attacks from groups backing T.W. Shannon.
National conservatives still see hope for an upset victory in the Senate race.
Former Oklahoma Speaker T.W. Shannon is in a tight race against Rep. James Lankford.
The move followed protests from conservative lawmakers.
The Senate hopeful said Holder wouldn't have been his "first choice" to swear in new cadets.
Polling, endorsements have opponent's team in Oklahoma Senate race concerned, insider says.
Rep. James Lankford (R-Okla.) is in a highly competitive GOP primary field.
Oklahoma House Speaker T.W. Shannon (R) picked up a major conservative endorsement in his bid for...
A GOP survey for a group backing Oklahoma House Speaker T.W. Shannon in the Senate Republican...
The GOP Senate hopeful talks about his religious values and vision for the country.
Unhappy with their choices, Tea Party activists want Randy Brogdon to run for Senate instead.