White House Press Secretary Karine Jean-Pierre pushed back on calls from top Republicans to investigate President Volodymyr Zelensky’s recent visit to a Pennsylvania ammunition plant, telling reporters on Sept. 26 that it was a “political stunt” and that they “need to drop this.” Zelensky visited the Scranton Army Ammunition Plant on Sept. 22, along with Democratic Governor Josh Shapiro and other Democratic politicians from the state, to thank workers for producing critically needed 155 mm shells for Ukraine. Following the visit, Republican Congressman James Comer, who chairs the House Oversig…