The battalion commander of Minnesota Gov. Tim Walz’s former Minnesota Army National Guard unit issued a scathing message to Vice President Kamala Harris’ running mate amid mounting “stolen valor” accusations, according to media reports. “I do not regret that Tim Walz retired early from the Minnesota National Guard, did not complete the Sergeants Major Academy, broke his enlistment contract or did not successfully complete any assignment as a Sergeant Major. Unwittingly, he got out of the way for better leadership,” John Kolb wrote on Facebook, the Daily Mail reported. Kolb served as a lieutenant colonel of the 1st Battalion, 125th Field Artillery from 2005 to 2007, the Minnesota National Guard shows on its website. Walz served in the same battalion until 2005, when he retired ah …