Pennsylvania Senate contender David McCormick leads competitor Mehmet Oz among Republican primary voters in a new poll commissioned for the super PAC supporting his campaign.
The survey showed McCormick, a former hedge fund executive, leading Oz 22% to 16% in the closely watched race for the Republican nomination for Senate in Pennsylvania. Both McCormick and Oz, a physician and television host known as “Dr. Oz,” are investing millions of their own personal fortune to win a spot on the November ballot.
In this fresh poll for Honor Pennsylvania, Inc., conducted March 29-April 3 by the GOP firm Public Opinion Strategies, McCormick grew his share of the Republican primary vote from 13% to 22% since January, while Oz’s support dropped precipitously from 31% to 16%.
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“McCormick’s lead in the race has remained steady since the end of February, while Oz’s numbers have collapsed by 15-points since January and have been steadily declining,” the polling memo reads.
The survey polled 600 likely Republican primary voters and had a margin of error of plus or minus 4 percentage points.
The battle between McCormick and Oz has been vicious, with both campaigns and their supportive super PACs engaged in constant political warfare. Ironically, neither Republican lived in Pennsylvania until recently, although McCormick is a Pittsburgh native. Both are first-time candidates, and both are making a major play for an endorsement from former President Donald Trump, who has indicated he plans to pick a horse prior to the May 17 primary.
The poll’s additional findings include:
Oz’s favorable image stood at 37% favorable and 49% unfavorable, a near-complete reversal since January.
About 29% of GOP primary voters view Oz as “liberal” on issues versus 17% who say he is conservative. Another 56% say Oz is more liberal than they are versus 7% who say he is more conservative. Both scales have flipped on Oz since January.
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A collection of four second-tier candidates trailed both McCormick and Oz in the Public Opinion Strategies survey. Trump had backed Sean Parnell for the seat being vacated by retiring Republican Sen. Pat Toomey but the front-runner dropped his bid in November citing family issues, putting the former president’s endorsement back in play.

