A new poll shows Sen. Michael B. Enzi, R-Wyo., with a considerable lead over his primary opponent, just days after Liz Cheney announced she would challenge him.

Enzi led Cheney, 55 percent to 21 percent, in a survey from Harper Polling, a Republican firm.

announced she would challenge

Enzi also had a high favorability rating of 74 percent in the poll. Cheney had a 45 percent favorability rating.

The poll surveyed 422 likely GOP primary voters via live operator calls on July 17 and 18, and has a margin of error of 4.77  points.

The Wyoming Senate seat is rated a Safe Republican contest by Rothenberg Political Report/Roll Call.