The open Pennsylvania Senate seat is Democrats' best offensive opportunity on the midterm map. But given the headwinds they're likely to face this November, that doesn't mean it's going to be an easy flip. Over the weekend, former President Trump threw a major wrench into the race when he endorsed celebrity Dr. Mehmet Oz over former Bridgewater CEO David McCormick — a decision that earned the incredulity of even many MAGA loyalists with roughly a month until voters head to the polls. This is also the rare contest this cycle where both parties' primaries on May 17 are competitive and will tell us a lot about the direction of each. However, on the Democratic side, recent polling has shown Lt. Gov. John Fetterman pulling away from U.S. Rep. Conor Lamb and state Rep. Malcolm Kenyatta. That has Republicans grinning and some in-state Democrats grimacing. To Pennsylvania Democrats, some of those worries about Fetterman's statewide electability in a challenging political year eased up after Trump chose to back Oz. The Republican primary field, however, remains more muddled, and the Subscribe now to continue reading, Flexible plans & easy cancellations, starting as low as $35/month. Learn more. Subscribe now Already a subscriber? Sign in here.