Despite his long career in both national politics and the military, the title of choice during Tim Walz’s introduction as Kamala Harris’ vice presidential pick was neither his military rank nor political office, but instead, Coach. “In 91 days, the nation will know Coach Walz by another name: Vice President of the United States,” Harris said during the Philadelphia rally where she introduced Walz as her running mate. The Harris-Walz campaign has continued to leverage...