White House press secretary Karine Jean-Pierre praised presumptive Democratic vice presidential candidate and Minnesota Gov. Tim Walz’s service in the Army National Guard on Wednesday in response to Republican vice presidential candidate J.D. Vance accusing him of committing an act of “stolen valor.” Vance, who served as a combat correspondent in the Marine Corps., criticized Walz on Wednesday for allegedly leaving his battalion upon learning of its deployment to Iraq in 2005. Jean-Pierre told a reporter that Walz bravely served in the National Guard for 24 years without addressing his avoidan…