Incumbent U.S. Sen. Jim Inhofe continues to hold a substantial lead over Democratic challenger Andrew Rice, according to the latest Oklahoma Poll.

Fifty-two percent of the 750 likely voters surveyed said they intend to vote for Inhofe, who is seeking his third full term. Rice polled at 30 percent, with 18 percent undecided.

The result was actually an improvement for Rice. In December, the last time the survey included an Inhofe-Rice matchup, the gap was 60-19.

“You are seeing some movement, but it seems unlikely to be enough to change the outcome,” said poll consultant Al Soltow.

Oddly, Inhofe’s share of the vote went down over the past seven months, while his approval rating went up 7 percentage points, from 54 percent to 61 percent.

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